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| author | Meador Inge <meadori@codesourcery.com> | 2013-09-03 17:04:39 +0000 |
|---|---|---|
| committer | Meador Inge <meadori@gcc.gnu.org> | 2013-09-03 17:04:39 +0000 |
| commit | db8800bc5f38a732fd5a33d6bfbbff71b186076d (patch) | |
| tree | 8d99f577f74c2919f770025fedc5c5db62626d3f /gcc/tree-vrp.c | |
| parent | d7fd3fde96379ee946284609d3f6c14fce236f52 (diff) | |
| download | gcc-db8800bc5f38a732fd5a33d6bfbbff71b186076d.zip gcc-db8800bc5f38a732fd5a33d6bfbbff71b186076d.tar.gz gcc-db8800bc5f38a732fd5a33d6bfbbff71b186076d.tar.bz2 | |
revert: tree-vrp.c (check_array_ref): Bail out on zero-length arrays.
gcc/
2013-09-03 Meador Inge <meadori@codesourcery.com>
Revert:
2013-08-30 Meador Inge <meadori@codesourcery.com>
* tree-vrp.c (check_array_ref): Bail out on zero-length arrays.
gcc/testsuite/
2013-09-03 Meador Inge <meadori@codesourcery.com>
Revert:
2013-08-30 Meador Inge <meadori@codesourcery.com>
* gcc.dg/Warray-bounds-11.c: New testcase.
From-SVN: r202228
Diffstat (limited to 'gcc/tree-vrp.c')
| -rw-r--r-- | gcc/tree-vrp.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c index 062e03c..d5548ff 100644 --- a/gcc/tree-vrp.c +++ b/gcc/tree-vrp.c @@ -6137,10 +6137,9 @@ check_array_ref (location_t location, tree ref, bool ignore_off_by_one) low_sub = up_sub = TREE_OPERAND (ref, 1); up_bound = array_ref_up_bound (ref); - /* Can not check flexible arrays or zero-length arrays. */ + /* Can not check flexible arrays. */ if (!up_bound - || TREE_CODE (up_bound) != INTEGER_CST - || tree_int_cst_equal (up_bound, integer_minus_one_node)) + || TREE_CODE (up_bound) != INTEGER_CST) return; /* Accesses to trailing arrays via pointers may access storage |