+2012-06-26 Sterling Augustine <saugustine@google.com>
+
+ * dwarf2out.c (output_pubnames): Add check for DW_TAG_enumerator.
+ (prune_unused_types): Likewise.
+
2012-06-26 Steven Bosscher <steven@gcc.gnu.org>
* system.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
FOR_EACH_VEC_ELT (pubname_entry, names, i, pub)
{
+ /* Enumerator names are part of the pubname table, but the parent
+ DW_TAG_enumeration_type die may have been pruned. Don't output
+ them if that is the case. */
+ if (pub->die->die_tag == DW_TAG_enumerator && !pub->die->die_mark)
+ continue;
+
/* We shouldn't see pubnames for DIEs outside of the main CU. */
if (names == pubname_table)
gcc_assert (pub->die->die_mark);
prune_unused_types_mark (ctnode->type_die, 1);
}
- /* Also set the mark on nodes referenced from the
- pubname_table. */
+ /* Also set the mark on nodes referenced from the pubname_table. Enumerators
+ are unusual in that they are pubnames that are the children of pubtypes.
+ They should only be marked via their parent DW_TAG_enumeration_type die,
+ not as roots in themselves. */
FOR_EACH_VEC_ELT (pubname_entry, pubname_table, i, pub)
- prune_unused_types_mark (pub->die, 1);
+ if (pub->die->die_tag != DW_TAG_enumerator)
+ prune_unused_types_mark (pub->die, 1);
for (i = 0; VEC_iterate (dw_die_ref, base_types, i, base_type); i++)
prune_unused_types_mark (base_type, 1);