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-rw-r--r--gcc/gimple.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/gcc/gimple.c b/gcc/gimple.c
index 7bc87bc34ee..e9e38785cc2 100644
--- a/gcc/gimple.c
+++ b/gcc/gimple.c
@@ -2748,11 +2748,7 @@ preprocess_case_label_vec_for_gimple (vec<tree> labels,
low = CASE_HIGH (labels[i - 1]);
if (!low)
low = CASE_LOW (labels[i - 1]);
- if ((TREE_INT_CST_LOW (low) + 1
- != TREE_INT_CST_LOW (high))
- || (TREE_INT_CST_HIGH (low)
- + (TREE_INT_CST_LOW (high) == 0)
- != TREE_INT_CST_HIGH (high)))
+ if (wi::add (low, 1) != high)
break;
}
if (i == len)