1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/strict-overflow-6.c b/gcc/testsuite/gcc.dg/strict-overflow-6.c
new file mode 100644
index 000000000..d8251f4cf
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/strict-overflow-6.c
@@ -0,0 +1,16 @@
+/* { dg-do compile } */
+/* { dg-options "-fstrict-overflow -O2 -fdump-tree-optimized" } */
+
+/* Source: Ian Lance Taylor.  Dual of no-strict-overflow-7.c.  */
+
+/* We can only simplify the conditional when using strict overflow
+   semantics.  */
+
+int
+foo (char* p)
+{
+  return p + 1000 < p;
+}
+
+/* { dg-final { scan-tree-dump-not "\[+\]\[ \]*1000" "optimized" } } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */