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Diffstat (limited to 'gcc/tree-ssa-structalias.c')
| -rw-r--r-- | gcc/tree-ssa-structalias.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/gcc/tree-ssa-structalias.c b/gcc/tree-ssa-structalias.c index a379e7e..3e588bd 100644 --- a/gcc/tree-ssa-structalias.c +++ b/gcc/tree-ssa-structalias.c @@ -4114,7 +4114,9 @@ push_fields_onto_fieldstack (tree type, VEC(fieldoff_s,heap) **fieldstack, else if (!(pushed = push_fields_onto_fieldstack (TREE_TYPE (type), fieldstack, offset + i * TREE_INT_CST_LOW (elsz), has_union, - TREE_TYPE (type)))) + (TYPE_NONALIASED_COMPONENT (type) + ? addressable_type + : TREE_TYPE (type))))) /* Empty structures may have actual size, like in C++. So see if we didn't push any subfields and the size is nonzero, push the field onto the stack */ @@ -4129,7 +4131,10 @@ push_fields_onto_fieldstack (tree type, VEC(fieldoff_s,heap) **fieldstack, pair->size = elsz; pair->decl = NULL_TREE; pair->offset = offset + i * TREE_INT_CST_LOW (elsz); - pair->alias_set = -1; + if (TYPE_NONALIASED_COMPONENT (type)) + pair->alias_set = get_alias_set (addressable_type); + else + pair->alias_set = -1; count++; } else |