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Fix const/volatile qualifiers of C++ types, PR c++/12328.
	* c-typeprint.c (c_type_print_args): Update the function comment.  New
	variable param_type, initialize it.  Remove const/volatile qualifiers
	for language_cplus and !show_artificial.  Use param_type.

gdb/testsuite/
	Fix const/volatile qualifiers of C++ types, PR c++/12328.
	* gdb.cp/overload-const.exp: New file.
	* gdb.cp/overload-const.cc: New file.
This commit is contained in:
Jan Kratochvil 2011-02-13 09:15:54 +00:00
parent 93b55aa198
commit bc9a5551ca
5 changed files with 94 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

31
gdb/c-typeprint.c
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@ -388,9 +388,12 @@ c_type_print_modifier (struct type *type, struct ui_file *stream,
/* Print out the arguments of TYPE, which should have TYPE_CODE_METHOD
or TYPE_CODE_FUNC, to STREAM. Artificial arguments, such as "this"
in non-static methods, are displayed if SHOW_ARTIFICIAL is
non-zero. LANGUAGE is the language in which TYPE was defined.
This is a necessary evil since this code is used by the C, C++, and
Java backends. */
non-zero. If SHOW_ARTIFICIAL is zero and LANGUAGE is language_cplus
the topmost parameter types get removed their possible const and volatile
qualifiers to match demangled linkage name parameters part of such function
type. LANGUAGE is the language in which TYPE was defined. This is
a necessary evil since this code is used by the C, C++, and Java backends.
*/
void
c_type_print_args (struct type *type, struct ui_file *stream,
@ -406,6 +409,8 @@ c_type_print_args (struct type *type, struct ui_file *stream,
for (i = 0; i < TYPE_NFIELDS (type); i++)
{
struct type *param_type;
if (TYPE_FIELD_ARTIFICIAL (type, i) && !show_artificial)
continue;
@ -415,12 +420,24 @@ c_type_print_args (struct type *type, struct ui_file *stream,
wrap_here (" ");
}
param_type = TYPE_FIELD_TYPE (type, i);
if (language == language_cplus && !show_artificial)
{
/* C++ standard, 13.1 Overloadable declarations, point 3, item:
- Parameter declarations that differ only in the presence or
absence of const and/or volatile are equivalent.
And the const/volatile qualifiers are not present in the mangled
names as produced by GCC. */
param_type = make_cv_type (0, 0, param_type, NULL);
}
if (language == language_java)
java_print_type (TYPE_FIELD_TYPE (type, i),
"", stream, -1, 0);
java_print_type (param_type, "", stream, -1, 0);
else
c_print_type (TYPE_FIELD_TYPE (type, i),
"", stream, -1, 0);
c_print_type (param_type, "", stream, -1, 0);
printed_any = 1;
}