clang/test/SemaTemplate/instantiate-exception-spec.cpp

   1 // RUN: %clang_cc1 -fexceptions -fcxx-exceptions -verify %std_cxx98-14 %s -DERRORS
   2 // RUN: %clang_cc1 -fexceptions -fcxx-exceptions -emit-llvm-only %std_cxx98-14 %s
   3
   4 #ifdef ERRORS
   5 template<typename T> void f1(T*) throw(T); // expected-error{{incomplete type 'Incomplete' is not allowed in exception specification}}
   6 struct Incomplete; // expected-note{{forward}}
   7
   8 void test_f1(Incomplete *incomplete_p, int *int_p) {
   9   f1(int_p);
  10   f1(incomplete_p); // expected-note{{instantiation of}}
  11 }
  12 #endif
  13
  14 template<typename T> void f(void (*p)() throw(T)) {
  15 #ifdef ERRORS
  16   void (*q)() throw(char) = p; // expected-error {{target exception spec}}
  17
  18   extern void (*p2)() throw(T);
  19   void (*q2)() throw(char) = p2; // expected-error {{target exception spec}}
  20
  21   extern void (*p3)() throw(char);
  22   void (*q3)() throw(T) = p3; // expected-error {{target exception spec}}
  23
  24   void (*q4)() throw(T) = p2; // ok
  25 #endif
  26   p();
  27 }
  28 void g() { f<int>(0); } // expected-note {{instantiation of}}