diff options
Diffstat (limited to 'gcc-4.6')
| -rw-r--r-- | gcc-4.6/gcc/testsuite/gcc.dg/tree-ssa/pr57385.c | 10 | ||||
| -rw-r--r-- | gcc-4.6/gcc/tree-ssa-sccvn.c | 1 |
2 files changed, 11 insertions, 0 deletions
diff --git a/gcc-4.6/gcc/testsuite/gcc.dg/tree-ssa/pr57385.c b/gcc-4.6/gcc/testsuite/gcc.dg/tree-ssa/pr57385.c new file mode 100644 index 000000000..fc2146126 --- /dev/null +++ b/gcc-4.6/gcc/testsuite/gcc.dg/tree-ssa/pr57385.c @@ -0,0 +1,10 @@ +/* { dg-do compile } */ +/* { dg-options "-O1" } */ + +int c; + +void foo(int f) +{ + int wbi=-100000000; + c = (f ? "012346000000000000":"01345:000000006008")[wbi]; +} diff --git a/gcc-4.6/gcc/tree-ssa-sccvn.c b/gcc-4.6/gcc/tree-ssa-sccvn.c index eb8896907..704a86c97 100644 --- a/gcc-4.6/gcc/tree-ssa-sccvn.c +++ b/gcc-4.6/gcc/tree-ssa-sccvn.c @@ -1115,6 +1115,7 @@ fully_constant_vn_reference_p (vn_reference_t ref) == TYPE_MODE (TREE_TYPE (TREE_TYPE (arg0->op0)))) && GET_MODE_CLASS (TYPE_MODE (op->type)) == MODE_INT && GET_MODE_SIZE (TYPE_MODE (op->type)) == 1 + && tree_int_cst_sgn (op->op0) >= 0 && compare_tree_int (op->op0, TREE_STRING_LENGTH (arg0->op0)) < 0) return build_int_cst_type (op->type, (TREE_STRING_POINTER (arg0->op0) |