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Diffstat (limited to 'gcc/tree-ssa-loop-niter.c')
| -rw-r--r-- | gcc/tree-ssa-loop-niter.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/tree-ssa-loop-niter.c b/gcc/tree-ssa-loop-niter.c index 7104e60..23b965a 100644 --- a/gcc/tree-ssa-loop-niter.c +++ b/gcc/tree-ssa-loop-niter.c @@ -3954,7 +3954,11 @@ loop_exits_before_overflow (tree base, tree step, if (!CONVERT_EXPR_P (e) || !operand_equal_p (e, unsigned_base, 0)) continue; e = TREE_OPERAND (e, 0); - gcc_assert (operand_equal_p (e, base, 0)); + /* If E has an unsigned type, the operand equality test below + would fail, but the equality test above would have already + verified the equality, so we can proceed with it. */ + gcc_assert (TYPE_UNSIGNED (TREE_TYPE (e)) + || operand_equal_p (e, base, 0)); if (tree_int_cst_sign_bit (step)) { code = LT_EXPR; |