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re PR debug/46796 (debug info missing builtin type names with lto)

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2011-12-20  Richard Guenther  <rguenther@suse.de>

	PR lto/46796
	* dwarf2out.c (modified_type_die): When the type variant
	chain is corrupt use the types name, if available, instead
	of __unknown__.

From-SVN: r182524
This commit is contained in:
Richard Guenther 2011-12-20 09:49:17 +00:00 committed by Richard Biener
parent d8ab827382
commit 336e404f9f
2 changed files with 15 additions and 1 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2011-12-20 Richard Guenther <rguenther@suse.de>
PR lto/46796
* dwarf2out.c (modified_type_die): When the type variant
chain is corrupt use the types name, if available, instead
of __unknown__.
2011-12-20 Tristan Gingold <gingold@adacore.com>
* config/alpha/alpha.c (alpha_start_function): Adjust condition to

9
gcc/dwarf2out.c
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@ -9873,7 +9873,14 @@ modified_type_die (tree type, int is_const_type, int is_volatile_type,
}
/* This probably indicates a bug. */
else if (mod_type_die && mod_type_die->die_tag == DW_TAG_base_type)
add_name_attribute (mod_type_die, "__unknown__");
{
name = TYPE_NAME (type);
if (name
&& TREE_CODE (name) == TYPE_DECL)
name = DECL_NAME (name);
add_name_attribute (mod_type_die,
name ? IDENTIFIER_POINTER (name) : "__unknown__");
}
if (qualified_type)
equate_type_number_to_die (qualified_type, mod_type_die);