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Diffstat (limited to 'contrib/gcc/fold-const.c')
| -rw-r--r-- | contrib/gcc/fold-const.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/contrib/gcc/fold-const.c b/contrib/gcc/fold-const.c index 37d99f89d0ef..1aadd300a9b8 100644 --- a/contrib/gcc/fold-const.c +++ b/contrib/gcc/fold-const.c @@ -2802,9 +2802,13 @@ operand_equal_p (tree arg0, tree arg1, unsigned int flags) case ARRAY_REF: case ARRAY_RANGE_REF: - /* Operands 2 and 3 may be null. */ + /* Operands 2 and 3 may be null. + Compare the array index by value if it is constant first as we + may have different types but same value here. */ return (OP_SAME (0) - && OP_SAME (1) + && (tree_int_cst_equal (TREE_OPERAND (arg0, 1), + TREE_OPERAND (arg1, 1)) + || OP_SAME (1)) && OP_SAME_WITH_NULL (2) && OP_SAME_WITH_NULL (3)); |