clang/test/SemaTemplate/function-template-specialization-noreturn.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2
   3 // Split from function-template-specialization.cpp because the noreturn warning
   4 // requires analysis-based warnings, which the other errors in that test case
   5 // disable.
   6
   7 template <int N> void __attribute__((noreturn)) f3() { __builtin_unreachable(); }
   8 template <> void f3<1>() { } // expected-warning {{function declared 'noreturn' should not return}}
   9
  10 #if __cplusplus >= 201103L
  11 namespace PR21942 {
  12 template <int>
  13 struct A {
  14   void foo[[noreturn]]();
  15 };
  16
  17 template <>
  18 void A<0>::foo() {} // expected-warning{{function declared 'noreturn' should not return}}
  19 }
  20 #endif