--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/parm-mismatch-1.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,18 @@
+/* Test diagnostics for parameter mismatches.  Types that can't match
+   ().  */
+/* Origin: Joseph Myers <joseph@codesourcery.com> */
+/* { dg-do compile } */
+/* { dg-options "" } */
+
+void f0(); /* { dg-message "note: previous declaration of 'f0' was here" } */
+void f0(int, ...); /* { dg-error "conflicting types for 'f0'" } */
+/* { dg-message "note: a parameter list with an ellipsis can't match an empty parameter name list declaration" "note" { target *-*-* } .-1 } */
+void f1(int, ...); /* { dg-message "note: previous declaration of 'f1' was here" } */
+void f1(); /* { dg-error "conflicting types for 'f1'" } */
+/* { dg-message "note: a parameter list with an ellipsis can't match an empty parameter name list declaration" "note" { target *-*-* } .-1 } */
+void f2(); /* { dg-message "note: previous declaration of 'f2' was here" } */
+void f2(char); /* { dg-error "conflicting types for 'f2'" } */
+/* { dg-message "note: an argument type that has a default promotion can't match an empty parameter name list declaration" "note" { target *-*-* } .-1 } */
+void f3(char); /* { dg-message "note: previous declaration of 'f3' was here" } */
+void f3(); /* { dg-error "conflicting types for 'f3'" } */
+/* { dg-message "note: an argument type that has a default promotion can't match an empty parameter name list declaration" "note" { target *-*-* } .-1 } */