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* dwarf2read.c (partial_die_parent_scope): Work around buggy

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GCC 4.1 debug info generation (GCC PR c++/28460).
	(determine_prefix): Likewise.
This commit is contained in:
Ulrich Weigand
2010-03-22 13:21:39 +00:00
parent 86e026a449
commit acebe513da
2 changed files with 25 additions and 0 deletions
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19
gdb/dwarf2read.c
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@@ -2307,6 +2307,19 @@ partial_die_parent_scope (struct partial_die_info *pdi,
grandparent_scope = partial_die_parent_scope (parent, cu);
/* GCC 4.0 and 4.1 had a bug (PR c++/28460) where they generated bogus
DW_TAG_namespace DIEs with a name of "::" for the global namespace.
Work around this problem here. */
if (cu->language == language_cplus
&& parent->tag == DW_TAG_namespace
&& strcmp (parent->name, "::") == 0
&& grandparent_scope == NULL)
{
parent->scope = NULL;
parent->scope_set = 1;
return NULL;
}
if (parent->tag == DW_TAG_namespace
|| parent->tag == DW_TAG_structure_type
|| parent->tag == DW_TAG_class_type
@@ -9029,6 +9042,12 @@ determine_prefix (struct die_info *die, struct dwarf2_cu *cu)
{
case DW_TAG_namespace:
parent_type = read_type_die (parent, cu);
/* GCC 4.0 and 4.1 had a bug (PR c++/28460) where they generated bogus
DW_TAG_namespace DIEs with a name of "::" for the global namespace.
Work around this problem here. */
if (cu->language == language_cplus
&& strcmp (TYPE_TAG_NAME (parent_type), "::") == 0)
return "";
/* We give a name to even anonymous namespaces. */
return TYPE_TAG_NAME (parent_type);
case DW_TAG_class_type: