clang/test/SemaCXX/warn-undefined-internal.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -Wundefined-internal -verify %s
   2
   3 void test1() {
   4   struct S { virtual void f(); };
   5   // expected-warning@-1{{function 'test1()::S::f' has internal linkage but is not defined}}
   6   S s;
   7   // expected-note@-1{{used here}}
   8 }
   9
  10 void test2() {
  11   struct S;
  12   struct S { virtual void f(); };
  13   // expected-warning@-1{{function 'test2()::S::f' has internal linkage but is not defined}}
  14   S s;
  15   // expected-note@-1{{used here}}
  16 }