1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/pr77503.c b/gcc/testsuite/gcc.dg/vect/pr77503.c
new file mode 100644
index 00000000000..609e7fb5fd7
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/pr77503.c
@@ -0,0 +1,17 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target vect_condition } */
+/* { dg-skip-if "need vect_max_reduc support" { ! vect_max_reduc } } */
+
+extern void d(void);
+void a() {
+  char *b;
+  char c = 0;
+  for (; b < (char *)a; b++) {
+    if (*b)
+      c = 1;
+    *b = 0;
+  }
+  if (c)
+    d();
+}
+/* { dg-final { scan-tree-dump "vectorized 1 loops" "vect" } } */