diff options
Diffstat (limited to 'gcc/tree-ssa-alias.c')
| -rw-r--r-- | gcc/tree-ssa-alias.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c index 0d3c15c..4aaa98b 100644 --- a/gcc/tree-ssa-alias.c +++ b/gcc/tree-ssa-alias.c @@ -803,12 +803,13 @@ nonoverlapping_component_refs_of_decl_p (tree ref1, tree ref2) if (type1 != type2 || TREE_CODE (type1) != RECORD_TYPE) goto may_overlap; - /* Different fields of the same record type cannot overlap. */ + /* Different fields of the same record type cannot overlap. + ??? Bitfields can overlap at RTL level so punt on them. */ if (field1 != field2) { component_refs1.release (); component_refs2.release (); - return true; + return !(DECL_BIT_FIELD (field1) && DECL_BIT_FIELD (field2)); } } |