1 files changed, 25 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/loop-12.c b/gcc/testsuite/gcc.c-torture/execute/loop-12.c
new file mode 100644
index 000000000..1e340990c
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/loop-12.c
@@ -0,0 +1,25 @@
+/* Checks that pure functions are not treated as const.  */
+
+char *p;
+
+static int __attribute__ ((pure))
+is_end_of_statement (void)
+{
+  return *p == '\n' || *p == ';' || *p == '!';
+}
+
+void foo (void)
+{
+  /* The is_end_of_statement call was moved out of the loop at one stage,
+     resulting in an endless loop.  */
+  while (!is_end_of_statement ())
+    p++;
+}
+
+int
+main (void)
+{
+  p = "abc\n";
+  foo ();
+  return 0;
+}