1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr81588.c b/gcc/testsuite/gcc.dg/tree-ssa/pr81588.c
new file mode 100644
index 00000000000..2709abd89a1
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/pr81588.c
@@ -0,0 +1,15 @@
+/* PR tree-optimization/81588 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-reassoc1-details" } */
+ 	
+extern long long int a, c;
+extern unsigned short b;
+
+/* { dg-final { scan-tree-dump-times "Optimizing range test \[^\n\r]* and comparison" 1 "reassoc1" } } */
+
+__attribute__((noinline, noclone)) void
+foo (void)
+{
+  if ((b > a) != (1 + (a < 0)))
+    c = 0;
+}