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-rw-r--r--frontends/ast/simplify.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc
index 318ffc1be..f629df387 100644
--- a/frontends/ast/simplify.cc
+++ b/frontends/ast/simplify.cc
@@ -1080,7 +1080,7 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage,
}
if (old_range_valid != range_valid)
did_something = true;
- if (range_valid && range_left >= 0 && range_right > range_left) {
+ if (range_valid && range_right > range_left) {
int tmp = range_right;
range_right = range_left;
range_left = tmp;