1 files changed, 35 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr81292-2.c b/gcc/testsuite/gcc.dg/pr81292-2.c
new file mode 100644
index 00000000000..c1c507f982e
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr81292-2.c
@@ -0,0 +1,35 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -fdump-tree-strlen" } */
+
+#include "strlenopt.h"
+
+char a[] = { 0, 'a', 0, 'b', 'c', 0, 'd', 'e', 'f', 0 };
+
+int __attribute__ ((noinline, noclone))
+f1 (void)
+{
+  a[0] = '1';
+  a[strlen (a)] = '2';
+  a[strlen (a)] = '3';
+  return strlen (a);
+}
+
+int __attribute__ ((noinline, noclone))
+f2 (char *a)
+{
+  a[0] = '1';
+  a[strlen (a)] = '2';
+  a[strlen (a)] = '3';
+  return strlen (a);
+}
+
+int
+main (void)
+{
+  char b[] = { 0, 0, 'a', 'b', 0, 0 };
+  if (f1 () != 9 || f2 (b) != 5)
+    __builtin_abort ();
+  return 0;
+}
+
+/* { dg-final { scan-tree-dump-times "strlen \\(" 6 "strlen" } } */