1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr20368-2.c b/gcc/testsuite/gcc.dg/pr20368-2.c
new file mode 100644
index 000000000..7faded6bd
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr20368-2.c
@@ -0,0 +1,12 @@
+/* ICE with -Wstrict-prototypes and typeof an undeclared function.
+   Bug 20368.  Test with -Wmissing-prototypes.  */
+/* { dg-do compile } */
+/* { dg-options "-Wmissing-prototypes" } */
+
+extern __typeof (f) g; /* { dg-error "'f' undeclared here \\(not in a function\\)" } */
+
+int
+f (x) /* { dg-warning "no previous prototype for 'f'" } */
+     float x;
+{
+}