clang/test/SemaCXX/conversion-incomplete-type.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2
   3 struct string {};
   4
   5 class StringPiece;  // expected-note {{forward declaration of 'StringPiece'}} \
   6                     // expected-note {{forward declaration of 'StringPiece'}}
   7
   8 struct Test {
   9   void expectStringPiece(const StringPiece& blah) {};  // expected-note {{passing argument to parameter 'blah' here}}
  10
  11   void test(const string& s) {
  12     expectStringPiece(s);  // expected-error {{no viable conversion from 'const string' to incomplete type 'const StringPiece'}}
  13   }
  14 };
  15
  16 struct TestStatic {
  17   static void expectStringPiece(const StringPiece& blah) {};  // expected-note {{passing argument to parameter 'blah' here}}
  18
  19   static void test(const string& s) {
  20     expectStringPiece(s);  // expected-error {{no viable conversion from 'const string' to incomplete type 'const StringPiece'}}
  21   }
  22 };
  23