PR c++/13588:

* NEWS: Update.
	* break-catch-throw.c (struct exception_catchpoint)
	<exception_rx, pattern>: New fields.
	(fetch_probe_arguments, dtor_exception_catchpoint)
	(check_status_exception_catchpoint)
	(print_one_detail_exception_catchpoint): New functions.
	(handle_gnu_v3_exceptions): Add "except_rx" argument.
	Compile regular expression if needed.
	(extract_exception_regexp): New function.
	(catch_exception_command_1): Use extract_exception_regexp.
	(compute_exception): Use fetch_probe_arguments.
	(initialize_throw_catchpoint_ops): Set dtor, print_one_detail,
	and check_status fields.
	* cp-abi.c (cplus_typename_from_type_info): New function.
	* cp-abi.h (cplus_typename_from_type_info): Declare.
	(struct cp_abi_ops) <get_typename_from_type_info>: New field.
	* gdb_regex.h (compile_rx_or_error): Declare.
	* gnu-v3-abi.c (gnuv3_get_typename_from_type_info): Update
	comment.
	(init_gnuv3_ops): Set get_type_from_type_info field.
	* probe.c (compile_rx_or_error): Move...
	* utils.c (compile_rx_or_error): ... here.
gdb/doc
	* gdb.texinfo (Set Catchpoints): Document regexp syntax for
	exception catchpoints.
gdb/testsuite
	* gdb.cp/exceptprint.exp: Add regexp catchpoint tests.

gdb/gdb_regex.h

@@ -30,5 +30,7 @@
 /* From utils.c.  */
 struct cleanup *make_regfree_cleanup (regex_t *);
 char *get_regcomp_error (int, regex_t *);
+struct cleanup *compile_rx_or_error (regex_t *pattern, const char *rx,
+				     const char *message);
 
 #endif /* not GDB_REGEX_H */