1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/builtins/lib/strlen.c b/gcc/testsuite/gcc.c-torture/execute/builtins/lib/strlen.c
new file mode 100644
index 000000000..7f81c115b
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/builtins/lib/strlen.c
@@ -0,0 +1,20 @@
+extern void abort (void);
+extern int inside_main;
+
+__attribute__ ((__noinline__))
+__SIZE_TYPE__
+strlen (const char *s)
+{
+  __SIZE_TYPE__ i;
+
+#ifdef __OPTIMIZE__
+  if (inside_main)
+    abort ();
+#endif
+
+  i = 0;
+  while (s[i] != 0)
+    i++;
+
+  return i;
+}