1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/20041212-1.c b/gcc/testsuite/gcc.c-torture/execute/20041212-1.c
new file mode 100644
index 000000000..ea2d0fbd7
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/20041212-1.c
@@ -0,0 +1,15 @@
+/* A function pointer compared with a void pointer should not be canonicalized.
+   See PR middle-end/17564.  */
+void *f (void) __attribute__ ((__noinline__));
+void *
+f (void)
+{
+  return f;
+}
+int
+main (void)
+{
+  if (f () != f)
+    abort ();
+  exit (0);
+}