diff options
Diffstat (limited to 'gcc/tree.c')
| -rw-r--r-- | gcc/tree.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/tree.c b/gcc/tree.c index b61c11587ec..5e29d2f9115 100644 --- a/gcc/tree.c +++ b/gcc/tree.c @@ -3300,7 +3300,6 @@ build_type_attribute_variant (ttype, attribute) current_obstack = TYPE_OBSTACK (ttype); ntype = copy_node (ttype); - current_obstack = ambient_obstack; TYPE_POINTER_TO (ntype) = 0; TYPE_REFERENCE_TO (ntype) = 0; @@ -3335,6 +3334,12 @@ build_type_attribute_variant (ttype, attribute) ntype = type_hash_canon (hashcode, ntype); ttype = build_qualified_type (ntype, TYPE_QUALS (ttype)); + + /* We must restore the current obstack after the type_hash_canon call, + because type_hash_canon calls type_hash_add for permanent types, and + then type_hash_add calls oballoc expecting to get something permanent + back. */ + current_obstack = ambient_obstack; } return ttype; |