clang/test/PCH/cxx11-exception-spec.cpp

   1 // RUN: %clang_cc1 -pedantic-errors -std=c++11 -emit-pch %s -o %t.1
   2 // RUN: %clang_cc1 -pedantic-errors -std=c++11 -include-pch %t.1 -emit-pch %s -o %t.2
   3 // RUN: %clang_cc1 -pedantic-errors -std=c++11 -include-pch %t.2 -verify %s
   4 // RUN: %clang_cc1 -pedantic-errors -std=c++11 -include-pch %t.2 -emit-llvm-only %s
   5
   6 // RUN: %clang_cc1 -pedantic-errors -std=c++11 -emit-pch -fpch-instantiate-templates %s -o %t.1
   7 // RUN: %clang_cc1 -pedantic-errors -std=c++11 -include-pch %t.1 -emit-pch -fpch-instantiate-templates %s -o %t.2
   8 // RUN: %clang_cc1 -pedantic-errors -std=c++11 -include-pch %t.2 -verify %s
   9 // RUN: %clang_cc1 -pedantic-errors -std=c++11 -include-pch %t.2 -emit-llvm-only %s
  10
  11 // expected-no-diagnostics
  12
  13 #ifndef PHASE1_DONE
  14 #define PHASE1_DONE
  15
  16 template<int n> int f() noexcept(n % 2) { return 0; }
  17 template<int n> int g() noexcept(n % 2);
  18
  19 decltype(f<2>()) f0;
  20 decltype(f<3>()) f1;
  21 template int f<4>();
  22 template int f<5>();
  23 decltype(f<6>()) f6;
  24 decltype(f<7>()) f7;
  25
  26 struct A {
  27   A();
  28   A(const A&);
  29 };
  30
  31 decltype(g<0>()) g0;
  32
  33 #elif !defined(PHASE2_DONE)
  34 #define PHASE2_DONE
  35
  36 template int f<6>();
  37 template int f<7>();
  38 decltype(f<8>()) f8;
  39 decltype(f<9>()) f9;
  40 template int f<10>();
  41 template int f<11>();
  42
  43 A::A() = default;
  44 A::A(const A&) = default;
  45
  46 int g0val = g<0>();
  47
  48 #else
  49
  50 static_assert(!noexcept(f<0>()), "");
  51 static_assert(noexcept(f<1>()), "");
  52
  53 #endif