--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/plugin/diagnostic-test-inlining-1.C	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,34 @@
+/* { dg-do compile } */
+/* { dg-options "-Wno-attributes -fdiagnostics-show-caret" } */
+
+extern void __emit_warning (const char *message);
+
+/* Verify that the diagnostic subsytem describes the chain of inlining
+   when reporting the warning.  */
+
+__attribute__((always_inline))
+static void foo (void)
+{
+  __emit_warning ("message");
+}
+
+__attribute__((always_inline))
+static void bar (void)
+{
+  foo ();
+}
+
+int main()
+{
+  bar ();
+  return 0;
+}
+
+/* { dg-regexp "In function 'void foo\\(\\)'," "" } */
+/* { dg-regexp "    inlined from 'void bar\\(\\)' at .+/diagnostic-test-inlining-1.C:18:7," "" } */
+/* { dg-regexp "    inlined from 'int main\\(\\)' at .+/diagnostic-test-inlining-1.C:23:7:" "" } */
+/* { dg-warning "18: message" "" { target *-*-* } 12 } */
+/* { dg-begin-multiline-output "" }
+   __emit_warning ("message");
+   ~~~~~~~~~~~~~~~^~~~~~~~~~~
+   { dg-end-multiline-output "" } */