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Diffstat (limited to 'gcc/tree-ssa-structalias.c')
| -rw-r--r-- | gcc/tree-ssa-structalias.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/tree-ssa-structalias.c b/gcc/tree-ssa-structalias.c index fe0c4e9..08d480a 100644 --- a/gcc/tree-ssa-structalias.c +++ b/gcc/tree-ssa-structalias.c @@ -4484,7 +4484,11 @@ find_func_aliases (gimple origt) tree lhsop = gimple_assign_lhs (t); tree rhsop = (gimple_num_ops (t) == 2) ? gimple_assign_rhs1 (t) : NULL; - if (rhsop && AGGREGATE_TYPE_P (TREE_TYPE (lhsop))) + if (rhsop && TREE_CLOBBER_P (rhsop)) + /* Ignore clobbers, they don't actually store anything into + the LHS. */ + ; + else if (rhsop && AGGREGATE_TYPE_P (TREE_TYPE (lhsop))) do_structure_copy (lhsop, rhsop); else { |