1 files changed, 50 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/string-opt-12.c b/gcc/testsuite/gcc.c-torture/execute/string-opt-12.c
new file mode 100644
index 0000000..0126b85
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/string-opt-12.c
@@ -0,0 +1,50 @@
+/* Copyright (C) 2000  Free Software Foundation.
+
+   Ensure all expected transformations of builtin strcspn occur and
+   perform correctly.
+
+   Written by Kaveh R. Ghazi, 11/27/2000.  */
+
+extern void abort (void);
+typedef __SIZE_TYPE__ size_t;
+extern size_t strcspn (const char *, const char *);
+extern char *strcpy (char *, const char *);
+
+int main ()
+{
+  const char *const s1 = "hello world";
+  char dst[64], *d2;
+  
+  if (strcspn (s1, "hello") != 0)
+    abort();
+  if (strcspn (s1, "z") != 11)
+    abort();
+  if (strcspn (s1+4, "z") != 7)
+    abort();
+  if (strcspn (s1, "hello world") != 0)
+    abort();
+  if (strcspn (s1, "") != 11)
+    abort();
+  strcpy (dst, s1);
+  if (strcspn (dst, "") != 11)
+    abort();
+  strcpy (dst, s1); d2 = dst;
+  if (strcspn (++d2, "") != 10 || d2 != dst+1)
+    abort();
+  strcpy (dst, s1); d2 = dst;
+  if (strcspn (++d2+5, "") != 5 || d2 != dst+1)
+    abort();
+
+  return 0;
+}
+
+#ifdef __OPTIMIZE__
+/* When optimizing, all the above cases should be transformed into
+   something else.  So any remaining calls to the original function
+   should abort.  */
+static size_t
+strcspn (const char *s1, const char *s2)
+{
+  abort();
+}
+#endif