Sync libiberty with upstream GCC.

include/ChangeLog * libiberty.h (PEX_STDOUT_APPEND): New flag. (PEX_STDERR_APPEND): Likewise. * demangle.h (DMGL_DLANG): New macro. (DMGL_STYLE_MASK): Add DMGL_DLANG. (demangling_styles): Add dlang_demangling. (DLANG_DEMANGLING_STYLE_STRING): New macro. (DLANG_DEMANGLING): New macro. (dlang_demangle): New prototype. * longlong.h: Add __udiv_w_sdiv prototype. libiberty/ChangeLog * cp-demangle.c (d_substitution): Handle abi tags on abbreviation. * pex-common.h (struct pex_funcs): Add new parameter for open_write field. * pex-unix.c (pex_unix_open_write): Add support for new parameter. * pex-djgpp.c (pex_djgpp_open_write): Likewise. * pex-win32.c (pex_win32_open_write): Likewise. * pex-common.c (pex_run_in_environment): Likewise. * Makefile.in (CFILES): Add d-demangle.c. (REQUIRED_OFILES): Add d-demangle.o. * cplus-dem.c (libiberty_demanglers): Add dlang_demangling case. (cplus_demangle): Likewise. * d-demangle.c: New file. * testsuite/Makefile.in (really-check): Add check-d-demangle. * testsuite/d-demangle-expected: New file. * simple-object-elf.c (simple_object_elf_write_ehdr): Correctly handle objects with more than SHN_LORESERVE sections. (simple_object_elf_write_shdr): Add sh_link parameter. (simple_object_elf_write_to_file): Correctly handle objects with more than SHN_LORESERVE sections. * cp-demangle.c (d_dump): Only access field from s_fixed part of the union for DEMANGLE_COMPONENT_FIXED_TYPE. (d_count_templates_scopes): Likewise. * testsuite/demangler-fuzzer.c: New file. * testsuite/Makefile.in (fuzz-demangler): New rule. (demangler-fuzzer): Likewise. (mostlyclean): Clean up demangler fuzzer.
2014-10-11 10:29:10 +01:00 · 2014-10-11 10:29:10 +01:00 · b55f967878
commit b55f967878
parent 754dd2b00f
19 changed files with 2576 additions and 30 deletions
--- a/include/ChangeLog
+++ b/include/ChangeLog
@ -1,3 +1,21 @@
+2014-09-26  Max Ostapenko  <m.ostapenko@partner.samsung.com>
+
+	* libiberty.h (PEX_STDOUT_APPEND): New flag.
+	(PEX_STDERR_APPEND): Likewise.
+
+2014-09-23  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	* demangle.h (DMGL_DLANG): New macro.
+	(DMGL_STYLE_MASK): Add DMGL_DLANG.
+	(demangling_styles): Add dlang_demangling.
+	(DLANG_DEMANGLING_STYLE_STRING): New macro.
+	(DLANG_DEMANGLING): New macro.
+	(dlang_demangle): New prototype.
+
+2014-09-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
+
+	* longlong.h: Add __udiv_w_sdiv prototype.
+
 2014-08-12  Alan Modra  <amodra@gmail.com>

 	* bfdlink.h (struct bfd_link_callbacks <notice>): Remove "string"
--- a/include/demangle.h
+++ b/include/demangle.h
@ -63,9 +63,10 @@ extern "C" {
 #define DMGL_EDG	 (1 << 13)
 #define DMGL_GNU_V3	 (1 << 14)
 #define DMGL_GNAT	 (1 << 15)
+#define DMGL_DLANG	 (1 << 16)

 /* If none of these are set, use 'current_demangling_style' as the default. */
-#define DMGL_STYLE_MASK (DMGL_AUTO|DMGL_GNU|DMGL_LUCID|DMGL_ARM|DMGL_HP|DMGL_EDG|DMGL_GNU_V3|DMGL_JAVA|DMGL_GNAT)
+#define DMGL_STYLE_MASK (DMGL_AUTO|DMGL_GNU|DMGL_LUCID|DMGL_ARM|DMGL_HP|DMGL_EDG|DMGL_GNU_V3|DMGL_JAVA|DMGL_GNAT|DMGL_DLANG)

 /* Enumeration of possible demangling styles.

@ -87,7 +88,8 @@ extern enum demangling_styles
  edg_demangling = DMGL_EDG,
  gnu_v3_demangling = DMGL_GNU_V3,
  java_demangling = DMGL_JAVA,
-  gnat_demangling = DMGL_GNAT
+  gnat_demangling = DMGL_GNAT,
+  dlang_demangling = DMGL_DLANG
 } current_demangling_style;

 /* Define string names for the various demangling styles. */
@ -102,6 +104,7 @@ extern enum demangling_styles
 #define GNU_V3_DEMANGLING_STYLE_STRING        "gnu-v3"
 #define JAVA_DEMANGLING_STYLE_STRING          "java"
 #define GNAT_DEMANGLING_STYLE_STRING          "gnat"
+#define DLANG_DEMANGLING_STYLE_STRING         "dlang"

 /* Some macros to test what demangling style is active. */

@ -115,6 +118,7 @@ extern enum demangling_styles
 #define GNU_V3_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_GNU_V3)
 #define JAVA_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_JAVA)
 #define GNAT_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_GNAT)
+#define DLANG_DEMANGLING (((int) CURRENT_DEMANGLING_STYLE) & DMGL_DLANG)

 /* Provide information about the available demangle styles. This code is
   pulled from gdb into libiberty because it is useful to binutils also.  */
@ -169,6 +173,9 @@ java_demangle_v3 (const char *mangled);
 char *
 ada_demangle (const char *mangled, int options);

+extern char *
+dlang_demangle (const char *mangled, int options);
+
 enum gnu_v3_ctor_kinds {
  gnu_v3_complete_object_ctor = 1,
  gnu_v3_base_object_ctor,
--- a/include/libiberty.h
+++ b/include/libiberty.h
@ -106,7 +106,10 @@ extern int countargv (char**);
   to find the declaration so provide a fully prototyped one.  If it
   is 1, we found it so don't provide any declaration at all.  */
 #if !HAVE_DECL_BASENAME
-#if defined (__GNU_LIBRARY__ ) || defined (__linux__) || defined (__FreeBSD__) || defined (__OpenBSD__) || defined(__NetBSD__) || defined (__CYGWIN__) || defined (__CYGWIN32__) || defined (__MINGW32__) || defined (HAVE_DECL_BASENAME)
+#if defined (__GNU_LIBRARY__ ) || defined (__linux__) \
+ || defined (__FreeBSD__) || defined (__OpenBSD__) || defined (__NetBSD__) \
+ || defined (__CYGWIN__) || defined (__CYGWIN32__) || defined (__MINGW32__) \
+ || defined (__DragonFly__) || defined (HAVE_DECL_BASENAME) 
 extern char *basename (const char *) ATTRIBUTE_RETURNS_NONNULL ATTRIBUTE_NONNULL(1);
 #else
 /* Do not allow basename to be used if there is no prototype seen.  We
@ -442,6 +445,11 @@ extern struct pex_obj *pex_init (int flags, const char *pname,
   on Unix.  */
 #define PEX_BINARY_ERROR	0x80

+/* Append stdout to existing file instead of truncating it.  */
+#define PEX_STDOUT_APPEND	0x100
+
+/* Thes same as PEX_STDOUT_APPEND, but for STDERR.  */
+#define PEX_STDERR_APPEND	0x200

 /* Execute one program.  Returns NULL on success.  On error returns an
   error string (typically just the name of a system call); the error
@ -633,6 +641,10 @@ extern int snprintf (char *, size_t, const char *, ...) ATTRIBUTE_PRINTF_3;
 extern int vsnprintf (char *, size_t, const char *, va_list) ATTRIBUTE_PRINTF(3,0);
 #endif

+#if defined (HAVE_DECL_STRNLEN) && !HAVE_DECL_STRNLEN
+extern size_t strnlen (const char *, size_t);
+#endif
+
 #if defined(HAVE_DECL_STRVERSCMP) && !HAVE_DECL_STRVERSCMP
 /* Compare version strings.  */
 extern int strverscmp (const char *, const char *);
--- a/include/longlong.h
+++ b/include/longlong.h
@ -1687,7 +1687,8 @@ extern UHItype __stormy16_count_leading_zeros (UHItype);
 #if !defined (udiv_qrnnd) && defined (sdiv_qrnnd)
 #define udiv_qrnnd(q, r, nh, nl, d) \
  do {									\
-    USItype __r;							\
+    extern UWtype __udiv_w_sdiv (UWtype *, UWtype, UWtype, UWtype);	\
+    UWtype __r;								\
    (q) = __udiv_w_sdiv (&__r, nh, nl, d);				\
    (r) = __r;								\
  } while (0)
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@ -1,3 +1,46 @@
+2014-09-26  Jason Merrill  <jason@redhat.com>
+
+	* cp-demangle.c (d_substitution): Handle abi tags on abbreviation.
+
+2014-09-26  Max Ostapenko  <m.ostapenko@partner.samsung.com>
+
+	* pex-common.h (struct pex_funcs): Add new parameter for open_write field.
+	* pex-unix.c (pex_unix_open_write): Add support for new parameter.
+	* pex-djgpp.c (pex_djgpp_open_write): Likewise.
+	* pex-win32.c (pex_win32_open_write): Likewise.
+	* pex-common.c (pex_run_in_environment): Likewise.
+
+2014-09-23  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	* Makefile.in (CFILES): Add d-demangle.c.
+	(REQUIRED_OFILES): Add d-demangle.o.
+	* cplus-dem.c (libiberty_demanglers): Add dlang_demangling case.
+	(cplus_demangle): Likewise.
+	* d-demangle.c: New file.
+	* testsuite/Makefile.in (really-check): Add check-d-demangle.
+	* testsuite/d-demangle-expected: New file.
+
+2014-09-19  Ian Lance Taylor  <iant@google.com>
+
+	* simple-object-elf.c (simple_object_elf_write_ehdr): Correctly
+	handle objects with more than SHN_LORESERVE sections.
+	(simple_object_elf_write_shdr): Add sh_link parameter.
+	(simple_object_elf_write_to_file): Correctly handle objects with
+	more than SHN_LORESERVE sections.
+
+2014-08-29  Andrew Burgess  <aburgess@broadcom.com>
+
+	* cp-demangle.c (d_dump): Only access field from s_fixed part of
+	the union for DEMANGLE_COMPONENT_FIXED_TYPE.
+	(d_count_templates_scopes): Likewise.
+
+2014-08-13  Gary Benson  <gbenson@redhat.com>
+
+	* testsuite/demangler-fuzzer.c: New file.
+	* testsuite/Makefile.in (fuzz-demangler): New rule.
+	(demangler-fuzzer): Likewise.
+	(mostlyclean): Clean up demangler fuzzer.
+
 2014-06-11  Andrew Burgess  <aburgess@broadcom.com>

 	* cplus-dem.c (do_type): Call string_delete even if the call to
--- a/libiberty/Makefile.in
+++ b/libiberty/Makefile.in
@ -127,7 +127,7 @@ CFILES = alloca.c argv.c asprintf.c atexit.c				\
 	basename.c bcmp.c bcopy.c bsearch.c bzero.c			\
 	calloc.c choose-temp.c clock.c concat.c cp-demangle.c		\
 	 cp-demint.c cplus-dem.c crc32.c				\
-	dwarfnames.c dyn-string.c					\
+	d-demangle.c dwarfnames.c dyn-string.c				\
 	fdmatch.c ffs.c fibheap.c filename_cmp.c floatformat.c		\
 	fnmatch.c fopen_unlocked.c					\
 	getcwd.c getopt.c getopt1.c getpagesize.c getpwd.c getruntime.c	\
@ -167,7 +167,7 @@ REQUIRED_OFILES =							\
 	./md5.$(objext) ./sha1.$(objext) ./alloca.$(objext)		\
 	./argv.$(objext)						\
 	./choose-temp.$(objext) ./concat.$(objext)			\
-	./cp-demint.$(objext) ./crc32.$(objext)				\
+	./cp-demint.$(objext) ./crc32.$(objext) ./d-demangle.$(objext)	\
 	./dwarfnames.$(objext) ./dyn-string.$(objext)			\
 	./fdmatch.$(objext) ./fibheap.$(objext)				\
 	./filename_cmp.$(objext) ./floatformat.$(objext)		\
@ -714,6 +714,14 @@ $(CONFIGURED_OFILES): stamp-picdir stamp-noasandir
 	else true; fi
 	$(COMPILE.c) $(srcdir)/dyn-string.c $(OUTPUT_OPTION)

+./d-demangle.$(objext): $(srcdir)/d-demangle.c config.h $(INCDIR)/ansidecl.h \
+	$(srcdir)/cp-demangle.h $(INCDIR)/demangle.h \
+	$(INCDIR)/dyn-string.h $(INCDIR)/getopt.h $(INCDIR)/libiberty.h
+	if [ x"$(PICFLAG)" != x ]; then \
+	  $(COMPILE.c) $(PICFLAG) $(srcdir)/d-demangle.c -o pic/$@; \
+	else true; fi
+	$(COMPILE.c) $(srcdir)/d-demangle.c $(OUTPUT_OPTION)
+
 ./fdmatch.$(objext): $(srcdir)/fdmatch.c config.h $(INCDIR)/ansidecl.h \
 	$(INCDIR)/libiberty.h
 	if [ x"$(PICFLAG)" != x ]; then \
--- a/libiberty/cp-demangle.c
+++ b/libiberty/cp-demangle.c
@ -713,7 +713,9 @@ d_dump (struct demangle_component *dc, int indent)
      printf ("pointer to member type\n");
      break;
    case DEMANGLE_COMPONENT_FIXED_TYPE:
-      printf ("fixed-point type\n");
+      printf ("fixed-point type, accum? %d, sat? %d\n",
+              dc->u.s_fixed.accum, dc->u.s_fixed.sat);
+      d_dump (dc->u.s_fixed.length, indent + 2)
      break;
    case DEMANGLE_COMPONENT_ARGLIST:
      printf ("argument list\n");
@ -3685,6 +3687,7 @@ d_substitution (struct d_info *di, int prefix)
 	    {
 	      const char *s;
 	      int len;
+	      struct demangle_component *c;

 	      if (p->set_last_name != NULL)
 		di->last_name = d_make_sub (di, p->set_last_name,
@ -3700,7 +3703,15 @@ d_substitution (struct d_info *di, int prefix)
 		  len = p->simple_len;
 		}
 	      di->expansion += len;
-	      return d_make_sub (di, s, len);
+	      c = d_make_sub (di, s, len);
+	      if (d_peek_char (di) == 'B')
+		{
+		  /* If there are ABI tags on the abbreviation, it becomes
+		     a substitution candidate.  */
+		  c = d_abi_tags (di, c);
+		  d_add_substitution (di, c);
+		}
+	      return c;
 	    }
 	}

@ -3875,7 +3886,6 @@ d_count_templates_scopes (int *num_templates, int *num_scopes,
    case DEMANGLE_COMPONENT_FUNCTION_TYPE:
    case DEMANGLE_COMPONENT_ARRAY_TYPE:
    case DEMANGLE_COMPONENT_PTRMEM_TYPE:
-    case DEMANGLE_COMPONENT_FIXED_TYPE:
    case DEMANGLE_COMPONENT_VECTOR_TYPE:
    case DEMANGLE_COMPONENT_ARGLIST:
    case DEMANGLE_COMPONENT_TEMPLATE_ARGLIST:
@ -3920,6 +3930,11 @@ d_count_templates_scopes (int *num_templates, int *num_scopes,
 				dc->u.s_extended_operator.name);
      break;

+    case DEMANGLE_COMPONENT_FIXED_TYPE:
+      d_count_templates_scopes (num_templates, num_scopes,
+                                dc->u.s_fixed.length);
+      break;
+
    case DEMANGLE_COMPONENT_GLOBAL_CONSTRUCTORS:
    case DEMANGLE_COMPONENT_GLOBAL_DESTRUCTORS:
      d_count_templates_scopes (num_templates, num_scopes,
--- a/libiberty/cplus-dem.c
+++ b/libiberty/cplus-dem.c
@ -305,6 +305,12 @@ const struct demangler_engine libiberty_demanglers[] =
    "GNAT style demangling"
  }
  ,
+  {
+    DLANG_DEMANGLING_STYLE_STRING,
+    dlang_demangling,
+    "DLANG style demangling"
+  }
+  ,
  {
    NULL, unknown_demangling, NULL
  }
@ -870,6 +876,13 @@ cplus_demangle (const char *mangled, int options)
  if (GNAT_DEMANGLING)
    return ada_demangle (mangled, options);

+  if (DLANG_DEMANGLING)
+    {
+      ret = dlang_demangle (mangled, options);
+      if (ret)
+	return ret;
+    }
+
  ret = internal_cplus_demangle (work, mangled);
  squangle_mop_up (work);
  return (ret);
--- a/libiberty/d-demangle.c
+++ b/libiberty/d-demangle.c
--- a/libiberty/pex-common.c
+++ b/libiberty/pex-common.c
@ -267,7 +267,8 @@ pex_run_in_environment (struct pex_obj *obj, int flags, const char *executable,
  if (out < 0)
    {
      out = obj->funcs->open_write (obj, outname,
-				    (flags & PEX_BINARY_OUTPUT) != 0);
+				    (flags & PEX_BINARY_OUTPUT) != 0,
+				    (flags & PEX_STDOUT_APPEND) != 0);
      if (out < 0)
 	{
 	  *err = errno;
@ -320,7 +321,8 @@ pex_run_in_environment (struct pex_obj *obj, int flags, const char *executable,
  else
    {
      errdes = obj->funcs->open_write (obj, errname,
-				       (flags & PEX_BINARY_ERROR) != 0);
+				       (flags & PEX_BINARY_ERROR) != 0,
+				       (flags & PEX_STDERR_APPEND) != 0);
      if (errdes < 0)
 	{
 	  *err = errno;
--- a/libiberty/pex-common.h
+++ b/libiberty/pex-common.h
@ -104,7 +104,7 @@ struct pex_funcs
  /* Open file NAME for writing.  If BINARY is non-zero, open in
     binary mode.  Return >= 0 on success, -1 on error.  */
  int (*open_write) (struct pex_obj *, const char */* name */,
-                     int /* binary */);
+                     int /* binary */, int /* append */);
  /* Execute a child process.  FLAGS, EXECUTABLE, ARGV, ERR are from
     pex_run.  IN, OUT, ERRDES, TOCLOSE are all descriptors, from
     open_read, open_write, or pipe, or they are one of STDIN_FILE_NO,
--- a/libiberty/pex-djgpp.c
+++ b/libiberty/pex-djgpp.c
@ -43,7 +43,7 @@ extern int errno;
 #endif

 static int pex_djgpp_open_read (struct pex_obj *, const char *, int);
-static int pex_djgpp_open_write (struct pex_obj *, const char *, int);
+static int pex_djgpp_open_write (struct pex_obj *, const char *, int, int);
 static pid_t pex_djgpp_exec_child (struct pex_obj *, int, const char *,
 				  char * const *, char * const *,
 				  int, int, int, int,
@ -90,10 +90,12 @@ pex_djgpp_open_read (struct pex_obj *obj ATTRIBUTE_UNUSED,

 static int
 pex_djgpp_open_write (struct pex_obj *obj ATTRIBUTE_UNUSED,
-		      const char *name, int binary)
+		      const char *name, int binary, int append)
 {
  /* Note that we can't use O_EXCL here because gcc may have already
     created the temporary file via make_temp_file.  */
+  if (append)
+    return -1;
  return open (name,
 	       (O_WRONLY | O_CREAT | O_TRUNC
 		| (binary ? O_BINARY : O_TEXT)),
--- a/libiberty/pex-unix.c
+++ b/libiberty/pex-unix.c
@ -301,7 +301,7 @@ pex_wait (struct pex_obj *obj, pid_t pid, int *status, struct pex_time *time)
 static void pex_child_error (struct pex_obj *, const char *, const char *, int)
     ATTRIBUTE_NORETURN;
 static int pex_unix_open_read (struct pex_obj *, const char *, int);
-static int pex_unix_open_write (struct pex_obj *, const char *, int);
+static int pex_unix_open_write (struct pex_obj *, const char *, int, int);
 static pid_t pex_unix_exec_child (struct pex_obj *, int, const char *,
 				 char * const *, char * const *,
 				 int, int, int, int,
@ -350,11 +350,12 @@ pex_unix_open_read (struct pex_obj *obj ATTRIBUTE_UNUSED, const char *name,

 static int
 pex_unix_open_write (struct pex_obj *obj ATTRIBUTE_UNUSED, const char *name,
-		     int binary ATTRIBUTE_UNUSED)
+		     int binary ATTRIBUTE_UNUSED, int append)
 {
  /* Note that we can't use O_EXCL here because gcc may have already
     created the temporary file via make_temp_file.  */
-  return open (name, O_WRONLY | O_CREAT | O_TRUNC, PUBLIC_MODE);
+  return open (name, O_WRONLY | O_CREAT
+		     | (append ? O_APPEND : O_TRUNC), PUBLIC_MODE);
 }

 /* Close a file.  */
--- a/libiberty/pex-win32.c
+++ b/libiberty/pex-win32.c
@ -78,7 +78,7 @@ backslashify (char *s)
 }

 static int pex_win32_open_read (struct pex_obj *, const char *, int);
-static int pex_win32_open_write (struct pex_obj *, const char *, int);
+static int pex_win32_open_write (struct pex_obj *, const char *, int, int);
 static pid_t pex_win32_exec_child (struct pex_obj *, int, const char *,
 				  char * const *, char * const *,
                                  int, int, int, int,
@ -126,10 +126,12 @@ pex_win32_open_read (struct pex_obj *obj ATTRIBUTE_UNUSED, const char *name,

 static int
 pex_win32_open_write (struct pex_obj *obj ATTRIBUTE_UNUSED, const char *name,
-		      int binary)
+		      int binary, int append)
 {
  /* Note that we can't use O_EXCL here because gcc may have already
     created the temporary file via make_temp_file.  */
+  if (append)
+    return -1;
  return _open (name,
 		(_O_WRONLY | _O_CREAT | _O_TRUNC
 		 | (binary ? _O_BINARY : _O_TEXT)),
--- a/libiberty/simple-object-elf.c
+++ b/libiberty/simple-object-elf.c
@ -698,6 +698,7 @@ simple_object_elf_write_ehdr (simple_object_write *sobj, int descriptor,
  unsigned char buf[sizeof (Elf64_External_Ehdr)];
  simple_object_write_section *section;
  unsigned int shnum;
+  unsigned int shstrndx;

  fns = attrs->type_functions;
  cl = attrs->ei_class;
@ -743,9 +744,17 @@ simple_object_elf_write_ehdr (simple_object_write *sobj, int descriptor,
 		 (cl == ELFCLASS32
 		  ? sizeof (Elf32_External_Shdr)
 		  : sizeof (Elf64_External_Shdr)));
-  ELF_SET_FIELD (fns, cl, Ehdr, buf, e_shnum, Elf_Half, shnum);
-  ELF_SET_FIELD (fns, cl, Ehdr, buf, e_shstrndx, Elf_Half,
-		 shnum == 0 ? 0 : shnum - 1);
+  ELF_SET_FIELD (fns, cl, Ehdr, buf, e_shnum, Elf_Half,
+		 shnum >= SHN_LORESERVE ? 0 : shnum);
+  if (shnum == 0)
+    shstrndx = 0;
+  else
+    {
+      shstrndx = shnum - 1;
+      if (shstrndx >= SHN_LORESERVE)
+	shstrndx = SHN_XINDEX;
+    }
+  ELF_SET_FIELD (fns, cl, Ehdr, buf, e_shstrndx, Elf_Half, shstrndx);

  return simple_object_internal_write (descriptor, 0, buf, ehdr_size,
 				       errmsg, err);
@ -758,8 +767,8 @@ simple_object_elf_write_shdr (simple_object_write *sobj, int descriptor,
 			      off_t offset, unsigned int sh_name,
 			      unsigned int sh_type, unsigned int sh_flags,
 			      unsigned int sh_offset, unsigned int sh_size,
-			      unsigned int sh_addralign, const char **errmsg,
-			      int *err)
+			      unsigned int sh_link, unsigned int sh_addralign,
+			      const char **errmsg, int *err)
 {
  struct simple_object_elf_attributes *attrs =
    (struct simple_object_elf_attributes *) sobj->data;
@ -781,7 +790,7 @@ simple_object_elf_write_shdr (simple_object_write *sobj, int descriptor,
  ELF_SET_FIELD (fns, cl, Shdr, buf, sh_flags, Elf_Addr, sh_flags);
  ELF_SET_FIELD (fns, cl, Shdr, buf, sh_offset, Elf_Addr, sh_offset);
  ELF_SET_FIELD (fns, cl, Shdr, buf, sh_size, Elf_Addr, sh_size);
-  /* sh_link left as zero.  */
+  ELF_SET_FIELD (fns, cl, Shdr, buf, sh_link, Elf_Word, sh_link);
  /* sh_info left as zero.  */
  ELF_SET_FIELD (fns, cl, Shdr, buf, sh_addralign, Elf_Addr, sh_addralign);
  /* sh_entsize left as zero.  */
@ -812,6 +821,8 @@ simple_object_elf_write_to_file (simple_object_write *sobj, int descriptor,
  unsigned int shnum;
  size_t shdr_offset;
  size_t sh_offset;
+  unsigned int first_sh_size;
+  unsigned int first_sh_link;
  size_t sh_name;
  unsigned char zero;

@ -842,8 +853,17 @@ simple_object_elf_write_to_file (simple_object_write *sobj, int descriptor,
  shdr_offset = ehdr_size;
  sh_offset = shdr_offset + shnum * shdr_size;

+  if (shnum < SHN_LORESERVE)
+    first_sh_size = 0;
+  else
+    first_sh_size = shnum;
+  if (shnum - 1 < SHN_LORESERVE)
+    first_sh_link = 0;
+  else
+    first_sh_link = shnum - 1;
  if (!simple_object_elf_write_shdr (sobj, descriptor, shdr_offset,
-				     0, 0, 0, 0, 0, 0, &errmsg, err))
+				     0, 0, 0, 0, first_sh_size, first_sh_link,
+				     0, &errmsg, err))
    return errmsg;

  shdr_offset += shdr_size;
@ -887,7 +907,7 @@ simple_object_elf_write_to_file (simple_object_write *sobj, int descriptor,

      if (!simple_object_elf_write_shdr (sobj, descriptor, shdr_offset,
 					 sh_name, SHT_PROGBITS, 0, sh_offset,
-					 sh_size, 1U << section->align,
+					 sh_size, 0, 1U << section->align,
 					 &errmsg, err))
 	return errmsg;

@ -898,7 +918,7 @@ simple_object_elf_write_to_file (simple_object_write *sobj, int descriptor,

  if (!simple_object_elf_write_shdr (sobj, descriptor, shdr_offset,
 				     sh_name, SHT_STRTAB, 0, sh_offset,
-				     sh_name + strlen (".shstrtab") + 1,
+				     sh_name + strlen (".shstrtab") + 1, 0,
 				     1, &errmsg, err))
    return errmsg;

--- a/libiberty/testsuite/Makefile.in
+++ b/libiberty/testsuite/Makefile.in
@ -45,12 +45,15 @@ all:
 # CHECK is set to "really_check" or the empty string by configure.
 check: @CHECK@

-really-check: check-cplus-dem check-pexecute check-expandargv
+really-check: check-cplus-dem check-d-demangle check-pexecute check-expandargv

 # Run some tests of the demangler.
 check-cplus-dem: test-demangle $(srcdir)/demangle-expected
 	./test-demangle < $(srcdir)/demangle-expected

+check-d-demangle: test-demangle $(srcdir)/d-demangle-expected
+	./test-demangle < $(srcdir)/d-demangle-expected
+
 # Check the pexecute code.
 check-pexecute: test-pexecute
 	./test-pexecute
@ -59,6 +62,10 @@ check-pexecute: test-pexecute
 check-expandargv: test-expandargv
 	./test-expandargv

+# Run the demangler fuzzer
+fuzz-demangler: demangler-fuzzer
+	./demangler-fuzzer
+
 TEST_COMPILE = $(CC) @DEFS@ $(LIBCFLAGS) -I.. -I$(INCDIR) $(HDEFINES)
 test-demangle: $(srcdir)/test-demangle.c ../libiberty.a
 	$(TEST_COMPILE) -o test-demangle \
@ -72,6 +79,10 @@ test-expandargv: $(srcdir)/test-expandargv.c ../libiberty.a
 	$(TEST_COMPILE) -DHAVE_CONFIG_H -I.. -o test-expandargv \
 		$(srcdir)/test-expandargv.c ../libiberty.a

+demangler-fuzzer: $(srcdir)/demangler-fuzzer.c ../libiberty.a
+	$(TEST_COMPILE) -o demangler-fuzzer \
+		$(srcdir)/demangler-fuzzer.c ../libiberty.a
+
 # Standard (either GNU or Cygnus) rules we don't use.
 html install-html info install-info clean-info dvi pdf install-pdf \
 install etags tags installcheck:
@ -81,6 +92,7 @@ mostlyclean:
 	rm -f test-demangle
 	rm -f test-pexecute
 	rm -f test-expandargv
+	rm -f demangler-fuzzer
 	rm -f core
 clean: mostlyclean
 distclean: clean
--- a/libiberty/testsuite/d-demangle-expected
+++ b/libiberty/testsuite/d-demangle-expected
@ -0,0 +1,936 @@
+# This file holds test cases for the D demangler.
+# Each test case looks like this:
+#  options
+#  input to be demangled
+#  expected output
+#
+# See demangle-expected for documentation of supported options.
+#
+# A line starting with `#' is ignored.
+# However, blank lines in this file are NOT ignored.
+#
+############
+#
+# Coverage Tests
+#
+--format=dlang
+_Dmain
+D main
+#
+--format=dlang
+_D8demangle4testPFLAiYi
+demangle.test
+#
+--format=dlang
+_D8demangle4testFaZv
+demangle.test(char)
+#
+--format=dlang
+_D8demangle4testFbZv
+demangle.test(bool)
+#
+--format=dlang
+_D8demangle4testFcZv
+demangle.test(creal)
+#
+--format=dlang
+_D8demangle4testFdZv
+demangle.test(double)
+#
+--format=dlang
+_D8demangle4testFeZv
+demangle.test(real)
+#
+--format=dlang
+_D8demangle4testFfZv
+demangle.test(float)
+#
+--format=dlang
+_D8demangle4testFgZv
+demangle.test(byte)
+#
+--format=dlang
+_D8demangle4testFhZv
+demangle.test(ubyte)
+#
+--format=dlang
+_D8demangle4testFiZv
+demangle.test(int)
+#
+--format=dlang
+_D8demangle4testFjZv
+demangle.test(ireal)
+#
+--format=dlang
+_D8demangle4testFkZv
+demangle.test(uint)
+#
+--format=dlang
+_D8demangle4testFlZv
+demangle.test(long)
+#
+--format=dlang
+_D8demangle4testFmZv
+demangle.test(ulong)
+#
+--format=dlang
+_D8demangle4testFnZv
+demangle.test(none)
+#
+--format=dlang
+_D8demangle4testFoZv
+demangle.test(ifloat)
+#
+--format=dlang
+_D8demangle4testFpZv
+demangle.test(idouble)
+#
+--format=dlang
+_D8demangle4testFqZv
+demangle.test(cfloat)
+#
+--format=dlang
+_D8demangle4testFrZv
+demangle.test(cdouble)
+#
+--format=dlang
+_D8demangle4testFsZv
+demangle.test(short)
+#
+--format=dlang
+_D8demangle4testFtZv
+demangle.test(ushort)
+#
+--format=dlang
+_D8demangle4testFuZv
+demangle.test(wchar)
+#
+--format=dlang
+_D8demangle4testFvZv
+demangle.test(void)
+#
+--format=dlang
+_D8demangle4testFwZv
+demangle.test(dchar)
+#
+--format=dlang
+_D8demangle4testFOaZv
+demangle.test(shared(char))
+#
+--format=dlang
+_D8demangle4testFxaZv
+demangle.test(const(char))
+#
+--format=dlang
+_D8demangle4testFyaZv
+demangle.test(immutable(char))
+#
+--format=dlang
+_D8demangle4testFNgaZv
+demangle.test(inout(char))
+#
+--format=dlang
+_D8demangle4testFOxaZv
+demangle.test(shared(const(char)))
+#
+--format=dlang
+_D8demangle4testFONgaZv
+demangle.test(shared(inout(char)))
+#
+--format=dlang
+_D8demangle4testFAaZv
+demangle.test(char[])
+#
+--format=dlang
+_D8demangle4testFAAaZv
+demangle.test(char[][])
+#
+--format=dlang
+_D8demangle4testFAAAaZv
+demangle.test(char[][][])
+#
+--format=dlang
+_D8demangle4testFG42aZv
+demangle.test(char[42])
+#
+--format=dlang
+_D8demangle4testFG42G42aZv
+demangle.test(char[42][42])
+#
+--format=dlang
+_D8demangle4testFG42G42G42aZv
+demangle.test(char[42][42][42])
+#
+--format=dlang
+_D8demangle4testFG1234567890aZv
+demangle.test(char[1234567890])
+#
+--format=dlang
+_D8demangle4testFHaaZv
+demangle.test(char[char])
+#
+--format=dlang
+_D8demangle4testFHHaaaZv
+demangle.test(char[char[char]])
+#
+--format=dlang
+_D8demangle4testFPaZv
+demangle.test(char*)
+#
+--format=dlang
+_D8demangle4testFPPaZv
+demangle.test(char**)
+#
+--format=dlang
+_D8demangle4testFPPPaZv
+demangle.test(char***)
+#
+--format=dlang
+_D8demangle4testFNhG8gZv
+demangle.test(__vector(byte[8]))
+#
+--format=dlang
+_D8demangle4testFNhG16gZv
+demangle.test(__vector(byte[16]))
+#
+--format=dlang
+_D8demangle4testFNhG32gZv
+demangle.test(__vector(byte[32]))
+#
+--format=dlang
+_D8demangle4testFNhG4sZv
+demangle.test(__vector(short[4]))
+#
+--format=dlang
+_D8demangle4testFNhG8sZv
+demangle.test(__vector(short[8]))
+#
+--format=dlang
+_D8demangle4testFNhG16sZv
+demangle.test(__vector(short[16]))
+#
+--format=dlang
+_D8demangle4testFNhG2iZv
+demangle.test(__vector(int[2]))
+#
+--format=dlang
+_D8demangle4testFNhG4iZv
+demangle.test(__vector(int[4]))
+#
+--format=dlang
+_D8demangle4testFNhG8iZv
+demangle.test(__vector(int[8]))
+#
+--format=dlang
+_D8demangle4testFNhG1lZv
+demangle.test(__vector(long[1]))
+#
+--format=dlang
+_D8demangle4testFNhG2lZv
+demangle.test(__vector(long[2]))
+#
+--format=dlang
+_D8demangle4testFNhG4lZv
+demangle.test(__vector(long[4]))
+#
+--format=dlang
+_D8demangle4testFNhG2fZv
+demangle.test(__vector(float[2]))
+#
+--format=dlang
+_D8demangle4testFNhG4fZv
+demangle.test(__vector(float[4]))
+#
+--format=dlang
+_D8demangle4testFNhG8fZv
+demangle.test(__vector(float[8]))
+#
+--format=dlang
+_D8demangle4testFNhG1dZv
+demangle.test(__vector(double[1]))
+#
+--format=dlang
+_D8demangle4testFNhG2dZv
+demangle.test(__vector(double[2]))
+#
+--format=dlang
+_D8demangle4testFNhG4dZv
+demangle.test(__vector(double[4]))
+#
+--format=dlang
+_D8demangle4testFI5identZv
+demangle.test(ident)
+#
+--format=dlang
+_D8demangle4testFI5ident4testZv
+demangle.test(ident.test)
+#
+--format=dlang
+_D8demangle4testFC5classZv
+demangle.test(class)
+#
+--format=dlang
+_D8demangle4testFC5class4testZv
+demangle.test(class.test)
+#
+--format=dlang
+_D8demangle4testFS6structZv
+demangle.test(struct)
+#
+--format=dlang
+_D8demangle4testFS6struct4testZv
+demangle.test(struct.test)
+#
+--format=dlang
+_D8demangle4testFE4enumZv
+demangle.test(enum)
+#
+--format=dlang
+_D8demangle4testFE4enum4testZv
+demangle.test(enum.test)
+#
+--format=dlang
+_D8demangle4testFT7typedefZv
+demangle.test(typedef)
+#
+--format=dlang
+_D8demangle4testFT7typedef4testZv
+demangle.test(typedef.test)
+#
+--format=dlang
+_D8demangle4testFJaZv
+demangle.test(out char)
+#
+--format=dlang
+_D8demangle4testFKaZv
+demangle.test(ref char)
+#
+--format=dlang
+_D8demangle4testFLaZv
+demangle.test(lazy char)
+#
+--format=dlang
+_D8demangle4testFMaZv
+demangle.test(scope char)
+#
+--format=dlang
+_D8demangle4testFaXv
+demangle.test(char...)
+#
+--format=dlang
+_D8demangle4testFaYv
+demangle.test(char, ...)
+#
+--format=dlang
+_D8demangle4testFaaYv
+demangle.test(char, char, ...)
+#
+--format=dlang
+_D8demangle4testFaaZv
+demangle.test(char, char)
+#
+--format=dlang
+_D8demangle4testFB0Zv
+demangle.test(Tuple!())
+#
+--format=dlang
+_D8demangle4testFB1aZv
+demangle.test(Tuple!(char))
+#
+--format=dlang
+_D8demangle4testFB2aaZv
+demangle.test(Tuple!(char, char))
+#
+--format=dlang
+_D8demangle4testFB3aaaZv
+demangle.test(Tuple!(char, char, char))
+#
+--format=dlang
+_D8demangle4testFB2OaaZv
+demangle.test(Tuple!(shared(char), char))
+#
+--format=dlang
+_D8demangle4testFB3aDFZaaZv
+demangle.test(Tuple!(char, char() delegate, char))
+#
+--format=dlang
+_D8demangle4testFDFZaZv
+demangle.test(char() delegate)
+#
+--format=dlang
+_D8demangle4testFDUZaZv
+demangle.test(extern(C) char() delegate)
+#
+--format=dlang
+_D8demangle4testFDWZaZv
+demangle.test(extern(Windows) char() delegate)
+#
+--format=dlang
+_D8demangle4testFDVZaZv
+demangle.test(extern(Pascal) char() delegate)
+#
+--format=dlang
+_D8demangle4testFDRZaZv
+demangle.test(extern(C++) char() delegate)
+#
+--format=dlang
+_D8demangle4testFFZaZv
+demangle.test(char() function)
+#
+--format=dlang
+_D8demangle4testFUZaZv
+demangle.test(extern(C) char() function)
+#
+--format=dlang
+_D8demangle4testFWZaZv
+demangle.test(extern(Windows) char() function)
+#
+--format=dlang
+_D8demangle4testFVZaZv
+demangle.test(extern(Pascal) char() function)
+#
+--format=dlang
+_D8demangle4testFRZaZv
+demangle.test(extern(C++) char() function)
+#
+--format=dlang
+_D8demangle4testFDFNaZaZv
+demangle.test(char() pure delegate)
+#
+--format=dlang
+_D8demangle4testFDFNbZaZv
+demangle.test(char() nothrow delegate)
+#
+--format=dlang
+_D8demangle4testFDFNcZaZv
+demangle.test(char() ref delegate)
+#
+--format=dlang
+_D8demangle4testFDFNdZaZv
+demangle.test(char() @property delegate)
+#
+--format=dlang
+_D8demangle4testFDFNeZaZv
+demangle.test(char() @trusted delegate)
+#
+--format=dlang
+_D8demangle4testFDFNfZaZv
+demangle.test(char() @safe delegate)
+#
+--format=dlang
+_D8demangle4testFDFNiZaZv
+demangle.test(char() @nogc delegate)
+#
+--format=dlang
+_D8demangle4testFDFNaNbZaZv
+demangle.test(char() pure nothrow delegate)
+#
+--format=dlang
+_D8demangle4testFDFNbNaZaZv
+demangle.test(char() nothrow pure delegate)
+#
+--format=dlang
+_D8demangle4testFDFNdNfNaZaZv
+demangle.test(char() @property @safe pure delegate)
+#
+--format=dlang
+_D8demangle4testFFNaZaZv
+demangle.test(char() pure function)
+#
+--format=dlang
+_D8demangle4testFFNbZaZv
+demangle.test(char() nothrow function)
+#
+--format=dlang
+_D8demangle4testFFNcZaZv
+demangle.test(char() ref function)
+#
+--format=dlang
+_D8demangle4testFFNdZaZv
+demangle.test(char() @property function)
+#
+--format=dlang
+_D8demangle4testFFNeZaZv
+demangle.test(char() @trusted function)
+#
+--format=dlang
+_D8demangle4testFFNfZaZv
+demangle.test(char() @safe function)
+#
+--format=dlang
+_D8demangle4testFFNiZaZv
+demangle.test(char() @nogc function)
+#
+--format=dlang
+_D8demangle4testFFNaNbZaZv
+demangle.test(char() pure nothrow function)
+#
+--format=dlang
+_D8demangle4testFFNbNaZaZv
+demangle.test(char() nothrow pure function)
+#
+--format=dlang
+_D8demangle4testFFNdNfNaZaZv
+demangle.test(char() @property @safe pure function)
+#
+--format=dlang
+_D8demangle4test6__initZ
+demangle.test.init$
+#
+--format=dlang
+_D8demangle4test6__vtblZ
+vtable for demangle.test
+#
+--format=dlang
+_D8demangle4test7__ClassZ
+ClassInfo for demangle.test
+#
+--format=dlang
+_D8demangle4test11__InterfaceZ
+Interface for demangle.test
+#
+--format=dlang
+_D8demangle4test12__ModuleInfoZ
+ModuleInfo for demangle.test
+#
+--format=dlang
+_D8demangle4test6__ctorMFZv
+demangle.test.this()
+#
+--format=dlang
+_D8demangle4test6__dtorMFZv
+demangle.test.~this()
+#
+--format=dlang
+_D8demangle4test6__postblitMFZv
+demangle.test.this(this)
+#
+--format=dlang
+_D8demangle4testFHAbaZv
+demangle.test(char[bool[]])
+#
+--format=dlang
+_D8demangle4testFHG42caZv
+demangle.test(char[creal[42]])
+#
+--format=dlang
+_D8demangle4testFAiXv
+demangle.test(int[]...)
+#
+--format=dlang
+_D8demangle4testFLAiXv
+demangle.test(lazy int[]...)
+#
+--format=dlang
+_D8demangle4testFAiYv
+demangle.test(int[], ...)
+#
+--format=dlang
+_D8demangle4testFLAiYv
+demangle.test(lazy int[], ...)
+#
+--format=dlang
+_D8demangle4testFLilZv
+demangle.test(lazy int, long)
+#
+--format=dlang
+_D8demangle4testFLliZv
+demangle.test(lazy long, int)
+#
+--format=dlang
+_D8demangle4testFLC6ObjectLDFLiZiZi
+demangle.test(lazy Object, lazy int(lazy int) delegate)
+#
+--format=dlang
+_D8demangle9__T4testZv
+demangle.test!()
+#
+--format=dlang
+_D8demangle11__T4testTaZv
+demangle.test!(char)
+#
+--format=dlang
+_D8demangle13__T4testTaTaZv
+demangle.test!(char, char)
+#
+--format=dlang
+_D8demangle15__T4testTaTaTaZv
+demangle.test!(char, char, char)
+#
+--format=dlang
+_D8demangle16__T4testTaTOiTaZv
+demangle.test!(char, shared(int), char)
+#
+--format=dlang
+_D8demangle17__T4testS6symbolZv
+demangle.test!(symbol)
+#
+--format=dlang
+_D8demangle21__T4testS6symbol3fooZv
+demangle.test!(symbol.foo)
+#
+--format=dlang
+_D8demangle25__T4testS6symbol3foo3barZv
+demangle.test!(symbol.foo.bar)
+#
+--format=dlang
+_D8demangle19__T4testTaS6symbolZv
+demangle.test!(char, symbol)
+#
+--format=dlang
+_D8demangle19__T4testS6symbolTaZv
+demangle.test!(symbol, char)
+#
+--format=dlang
+_D8demangle13__T4testVPinZv
+demangle.test!(null)
+#
+--format=dlang
+_D8demangle14__T4testVg123Zv
+demangle.test!(123)
+#
+--format=dlang
+_D8demangle14__T4testVi123Zv
+demangle.test!(123)
+#
+--format=dlang
+_D8demangle14__T4testVs123Zv
+demangle.test!(123)
+#
+--format=dlang
+_D8demangle14__T4testVh123Zv
+demangle.test!(123u)
+#
+--format=dlang
+_D8demangle14__T4testVk123Zv
+demangle.test!(123u)
+#
+--format=dlang
+_D8demangle14__T4testVt123Zv
+demangle.test!(123u)
+#
+--format=dlang
+_D8demangle14__T4testVl123Zv
+demangle.test!(123L)
+#
+--format=dlang
+_D8demangle14__T4testVm123Zv
+demangle.test!(123uL)
+#
+--format=dlang
+_D8demangle15__T4testViN123Zv
+demangle.test!(-123)
+#
+--format=dlang
+_D8demangle15__T4testVkN123Zv
+demangle.test!(-123u)
+#
+--format=dlang
+_D8demangle15__T4testVlN123Zv
+demangle.test!(-123L)
+#
+--format=dlang
+_D8demangle15__T4testVmN123Zv
+demangle.test!(-123uL)
+#
+--format=dlang
+_D8demangle12__T4testVb1Zv
+demangle.test!(true)
+#
+--format=dlang
+_D8demangle12__T4testVb0Zv
+demangle.test!(false)
+#
+--format=dlang
+_D8demangle13__T4testVa10Zv
+demangle.test!('\x0a')
+#
+--format=dlang
+_D8demangle13__T4testVa32Zv
+demangle.test!(' ')
+#
+--format=dlang
+_D8demangle13__T4testVa65Zv
+demangle.test!('A')
+#
+--format=dlang
+_D8demangle14__T4testVa126Zv
+demangle.test!('~')
+#
+--format=dlang
+_D8demangle15__T4testVu1000Zv
+demangle.test!('\u03e8')
+#
+--format=dlang
+_D8demangle17__T4testVw100000Zv
+demangle.test!('\U000186a0')
+#
+--format=dlang
+_D8demangle17__T4testVde0A8P6Zv
+demangle.test!(42.0000)
+#
+--format=dlang
+_D8demangle16__T4testVdeA8P2Zv
+demangle.test!(42.0000)
+#
+--format=dlang
+_D8demangle18__T4testVdeN0A8P6Zv
+demangle.test!(-42.0000)
+#
+--format=dlang
+_D8demangle31__T4testVde0F6E978D4FDF3B646P7Zv
+demangle.test!(123.456)
+#
+--format=dlang
+_D8demangle15__T4testVdeNANZv
+demangle.test!(NaN)
+#
+--format=dlang
+_D8demangle15__T4testVdeINFZv
+demangle.test!(Inf)
+#
+--format=dlang
+_D8demangle16__T4testVdeNINFZv
+demangle.test!(-Inf)
+#
+--format=dlang
+_D8demangle23__T4testVfe0FFFFFFP128Zv
+demangle.test!(3.40282e+38)
+#
+--format=dlang
+_D8demangle32__T4testVde0FFFFFFFFFFFFF8P1024Zv
+demangle.test!(1.79769e+308)
+#
+--format=dlang
+_D8demangle19__T4testVfe08PN125Zv
+demangle.test!(1.17549e-38)
+#
+--format=dlang
+_D8demangle20__T4testVde08PN1021Zv
+demangle.test!(2.22507e-308)
+#
+--format=dlang
+_D8demangle51__T4testVrc0C4CCCCCCCCCCCCCDP4c0B666666666666666P6Zv
+demangle.test!(12.3000+45.6000i)
+#
+--format=dlang
+_D8demangle52__T4testVrcN0C4CCCCCCCCCCCCCDP4c0B666666666666666P6Zv
+demangle.test!(-12.3000+45.6000i)
+#
+--format=dlang
+_D8demangle22__T4testVG3ua3_616263Zv
+demangle.test!("abc")
+#
+--format=dlang
+_D8demangle22__T4testVG3ud3_616263Zv
+demangle.test!("abc"d)
+#
+--format=dlang
+_D8demangle22__T4testVG3uw3_616263Zv
+demangle.test!("abc"w)
+#
+--format=dlang
+_D8demangle22__T4testVAiA4i1i2i3i4Zv
+demangle.test!([1, 2, 3, 4])
+#
+--format=dlang
+_D8demangle25__T4testVAdA2e08P1eN08P1Zv
+demangle.test!([1.00000, -1.00000])
+#
+--format=dlang
+_D8demangle23__T4testVHiiA2i1i2i3i4Zv
+demangle.test!([1:2, 3:4])
+#
+--format=dlang
+_D8demangle39__T4testVHAxaiA2a3_616263i1a3_646566i2Zv
+demangle.test!(["abc":1, "def":2])
+#
+--format=dlang
+_D8demangle28__T4testVS8demangle1SS2i1i2Zv
+demangle.test!(demangle.S(1, 2))
+#
+--format=dlang
+_D8demangle35__T4testVS8demangle1SS2i1a3_616263Zv
+demangle.test!(demangle.S(1, "abc"))
+#
+# Unittests
+#
+--format=dlang
+printf
+printf
+#
+--format=dlang
+_foo
+_foo
+#
+--format=dlang
+_D88
+_D88
+#
+--format=dlang
+_D5__T1aZv
+_D5__T1aZv
+#
+--format=dlang
+_D4test3fooAa
+test.foo
+#
+--format=dlang
+_D8demangle8demangleFAaZAa
+demangle.demangle(char[])
+#
+--format=dlang
+_D6object6Object8opEqualsFC6ObjectZi
+object.Object.opEquals(Object)
+#
+--format=dlang
+_D6object6Object8opAssignFC6ObjectZi
+object.Object.opAssign(Object)
+#
+--format=dlang
+_D4test2dgDFiYd
+test.dg
+#
+--format=dlang
+_D1a1bi
+a.b
+#
+--format=dlang
+_D1a1bPFiZi
+a.b
+#
+--format=dlang
+_D4test34__T3barVG3uw3_616263VG3wd3_646566Z1xi
+test.bar!("abc"w, "def"d).x
+#
+--format=dlang
+_D6plugin8generateFiiZAya
+plugin.generate(int, int)
+#
+--format=dlang
+_D6plugin8generateFiiZAxa
+plugin.generate(int, int)
+#
+--format=dlang
+_D6plugin8generateFiiZAOa
+plugin.generate(int, int)
+#
+--format=dlang
+_D8demangle3fnAFZv3fnBMFZv
+demangle.fnA().fnB()
+#
+--format=dlang
+_D8demangle4mainFZv1S3fnCFZv
+demangle.main().S.fnC()
+#
+--format=dlang
+_D8demangle4mainFZv1S3fnDMFZv
+demangle.main().S.fnD()
+#
+--format=dlang
+_D8demangle4mainFZv5localMFZi
+demangle.main().local()
+#
+--format=dlang
+_D3std5ascii9uppercaseyAa
+std.ascii.uppercase
+#
+--format=dlang
+_D3std6stream9BOMEndianyG5E3std6system6Endian
+std.stream.BOMEndian
+#
+--format=dlang
+_D3std8internal7uni_tab10unicodeNkoyS3std8internal3uni12CodepointSet
+std.internal.uni_tab.unicodeNko
+#
+--format=dlang
+_D2gc2gc2GC6addrOfMFPvZPv
+gc.gc.GC.addrOf(void*)
+#
+--format=dlang
+_D3std7process10setCLOEXECFibZv
+std.process.setCLOEXEC(int, bool)
+#
+--format=dlang
+_D3std6digest2md3MD53putMFNaNbNeMAxhXv
+std.digest.md.MD5.put(scope const(ubyte)[]...)
+#
+--format=dlang
+_D3std6mmfile6MmFile13opIndexAssignMFhmZh
+std.mmfile.MmFile.opIndexAssign(ubyte, ulong)
+#
+--format=dlang
+_D3std7process18escapeShellCommandFxAAaXAya
+std.process.escapeShellCommand(const(char[][])...)
+#
+--format=dlang
+_D4core4sync5mutex5Mutex6__ctorMFC6ObjectZC4core4sync5mutex5Mutex
+core.sync.mutex.Mutex.this(Object)
+#
+--format=dlang
+_D6object14TypeInfo_Array8argTypesMFNbNfJC8TypeInfoJC8TypeInfoZi
+object.TypeInfo_Array.argTypes(out TypeInfo, out TypeInfo)
+#
+--format=dlang
+_D2rt6dmain211_d_run_mainUiPPaPUAAaZiZi7tryExecMFMDFZvZv
+rt.dmain2._d_run_main(int, char**, extern(C) int(char[][]) function*).tryExec(scope void() delegate)
+#
+--format=dlang
+_D6object9Exception6__ctorMFNaNbNfAyaAyamC6object9ThrowableZC9Exception
+object.Exception.this(immutable(char)[], immutable(char)[], ulong, object.Throwable)
+#
+--format=dlang
+_D3gcc3deh17parse_lsda_headerFPS3gcc6unwind7generic15_Unwind_ContextPhPS3gcc3deh16lsda_header_infoZPh
+gcc.deh.parse_lsda_header(gcc.unwind.generic._Unwind_Context*, ubyte*, gcc.deh.lsda_header_info*)
+#
+--format=dlang
+_D3std6socket23UnknownAddressReference6__ctorMFPS4core3sys5posix3sys6socket8sockaddrkZC3std6socket23UnknownAddressReference
+std.socket.UnknownAddressReference.this(core.sys.posix.sys.socket.sockaddr*, uint)
+#
+--format=dlang
+_D8demangle20__T2fnVAiA4i1i2i3i4Z2fnFZv
+demangle.fn!([1, 2, 3, 4]).fn()
+#
+--format=dlang
+_D8demangle10__T2fnVi1Z2fnFZv
+demangle.fn!(1).fn()
+#
+--format=dlang
+_D8demangle26__T2fnVS8demangle1SS2i1i2Z2fnFZv
+demangle.fn!(demangle.S(1, 2)).fn()
+#
+--format=dlang
+_D8demangle13__T2fnVeeNANZ2fnFZv
+demangle.fn!(NaN).fn()
+#
+--format=dlang
+_D8demangle14__T2fnVeeNINFZ2fnFZv
+demangle.fn!(-Inf).fn()
+#
+--format=dlang
+_D8demangle13__T2fnVeeINFZ2fnFZv
+demangle.fn!(Inf).fn()
+#
+--format=dlang
+_D8demangle21__T2fnVHiiA2i1i2i3i4Z2fnFZv
+demangle.fn!([1:2, 3:4]).fn()
+#
+--format=dlang
+_D8demangle2fnFNgiZNgi
+demangle.fn(inout(int))
+#
+--format=dlang
+_D8demangle29__T2fnVa97Va9Va0Vu257Vw65537Z2fnFZv
+demangle.fn!('a', '\x09', '\x00', '\u0101', '\U00010001').fn()
+#
+--format=dlang
+_D2gc11gctemplates56__T8mkBitmapTS3std5range13__T4iotaTiTiZ4iotaFiiZ6ResultZ8mkBitmapFNbNiNfPmmZv
+gc.gctemplates.mkBitmap!(std.range.iota!(int, int).iota(int, int).Result).mkBitmap(ulong*, ulong)
+#
+--format=dlang
+_D8serenity9persister6Sqlite70__T15SqlitePersisterTS8serenity9persister6Sqlite11__unittest6FZv4TestZ15SqlitePersister12__T7opIndexZ7opIndexMFmZS8serenity9persister6Sqlite11__unittest6FZv4Test
+serenity.persister.Sqlite.SqlitePersister!(serenity.persister.Sqlite.__unittest6().Test).SqlitePersister.opIndex!().opIndex(ulong)
+#
+--format=dlang
+_D4test4mainFZv5localMFZi
+test.main().local()
--- a/libiberty/testsuite/demangle-expected
+++ b/libiberty/testsuite/demangle-expected
@ -4343,8 +4343,16 @@ cereal::detail::InputBindingMap<cereal::JSONInputArchive>::Serializers cereal::p
 --format=gnu-v3
 _ZNSt9_Any_data9_M_accessIPZ4postISt8functionIFvvEEEvOT_EUlvE_EERS5_v
 void post<std::function<void ()> >(std::function<void ()>&&)::{lambda()#1}*& std::_Any_data::_M_access<void post<std::function<void ()> >(void post<std::function<void ()> >(std::function<void ()>&&)::{lambda()#1}*&&)::{lambda()#1}*>()
+#
+--format=auto --no-params
+_Z3xxxDFyuVb
+xxx(unsigned long long _Fract, bool volatile)
+xxx
 # https://sourceware.org/bugzilla/show_bug.cgi?id=16817
 --format=auto --no-params
 _QueueNotification_QueueController__$4PPPPPPPM_A_INotice___Z
 _QueueNotification_QueueController__$4PPPPPPPM_A_INotice___Z
 _QueueNotification_QueueController__$4PPPPPPPM_A_INotice___Z
+--format=gnu-v3
+_Z1fSsB3fooS_
+f(std::string[abi:foo], std::string[abi:foo])
--- a/libiberty/testsuite/demangler-fuzzer.c
+++ b/libiberty/testsuite/demangler-fuzzer.c
@ -0,0 +1,108 @@
+/* Demangler fuzzer.
+
+   Copyright (C) 2014 Free Software Foundation, Inc.
+
+   This file is part of GNU libiberty.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <time.h>
+#include "demangle.h"
+
+#define MAXLEN 253
+#define ALPMIN 33
+#define ALPMAX 127
+
+static char *program_name;
+
+#define DEFAULT_MAXCOUNT 7500000
+
+static void
+print_usage (FILE *fp, int exit_value)
+{
+  fprintf (fp, "Usage: %s [OPTION]...\n", program_name);
+  fprintf (fp, "Options:\n");
+  fprintf (fp, "  -h           Display this message.\n");
+  fprintf (fp, "  -s SEED      Select the random seed to be used.\n");
+  fprintf (fp, "               The default is to base one on the");
+  fprintf (fp, " current time.\n");
+  fprintf (fp, "  -m MAXCOUNT  Exit after MAXCOUNT symbols.\n");
+  fprintf (fp, "               The default is %d.", DEFAULT_MAXCOUNT);
+  fprintf (fp, " Set to `-1' for no limit.\n");
+
+  exit (exit_value);
+}
+
+int
+main (int argc, char *argv[])
+{
+  char symbol[2 + MAXLEN + 1] = "_Z";
+  int seed = -1, seed_set = 0;
+  int count = 0, maxcount = DEFAULT_MAXCOUNT;
+  int optchr;
+
+  program_name = argv[0];
+
+  do
+    {
+      optchr = getopt (argc, argv, "hs:m:t:");
+      switch (optchr)
+	{
+	case '?':  /* Unrecognized option.  */
+	  print_usage (stderr, 1);
+	  break;
+
+	case 'h':
+	  print_usage (stdout, 0);
+	  break;
+
+	case 's':
+	  seed = atoi (optarg);
+	  seed_set = 1;
+	  break;
+
+	case 'm':
+	  maxcount = atoi (optarg);
+	  break;
+	}
+    }
+  while (optchr != -1);
+
+  if (!seed_set)
+    seed = time (NULL);
+  srand (seed);
+  printf ("%s: seed = %d\n", program_name, seed);
+
+  while (maxcount < 0 || count < maxcount)
+    {
+      char *buffer = symbol + 2;
+      int length, i;
+
+      length = rand () % MAXLEN;
+      for (i = 0; i < length; i++)
+	*buffer++ = (rand () % (ALPMAX - ALPMIN)) + ALPMIN;
+
+      *buffer++ = '\0';
+
+      cplus_demangle (symbol, DMGL_AUTO | DMGL_ANSI | DMGL_PARAMS);
+
+      count++;
+    }
+
+  printf ("%s: successfully demangled %d symbols\n", program_name, count);
+  exit (0);
+}