1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/vrp29.c b/gcc/testsuite/gcc.dg/tree-ssa/vrp29.c
new file mode 100644
index 000000000..0a370f7d8
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/vrp29.c
@@ -0,0 +1,21 @@
+/* { dg-do run } */
+/* { dg-options "-O2" } */
+#include <limits.h>
+
+extern void abort(void);
+
+void decCompareOp (int result)
+{
+  if (result != (int) (INT_MAX + 1U))
+    {
+      result = -result;
+      if (result != (int) (INT_MAX + 2U))
+        abort ();
+    }
+}
+
+int main()
+{
+  decCompareOp (INT_MAX);
+  return 0;
+}