clang/test/SemaCXX/pr36536.cpp

   1 // RUN: %clang_cc1 -std=c++11 %s -verify -fno-spell-checking
   2
   3 // These test cases are constructed to make clang call ActOnStartOfFunctionDef
   4 // with nullptr.
   5
   6 struct ImplicitDefaultCtor1 {};
   7 struct Foo {
   8   typedef int NameInClass;
   9   void f();
  10 };
  11 namespace bar {
  12 // FIXME: Improved our recovery to make this a redeclaration of Foo::f,
  13 // even though this is in the wrong namespace. That will allow name lookup to
  14 // find NameInClass below. Users are likely to hit this when they forget to
  15 // close namespaces.
  16 // expected-error@+1 {{cannot define or redeclare 'f' here}}
  17 void Foo::f() {
  18   switch (0) { case 0: ImplicitDefaultCtor1 o; }
  19   // expected-error@+1 {{unknown type name 'NameInClass'}}
  20   NameInClass var;
  21 }
  22 } // namespace bar
  23
  24 struct ImplicitDefaultCtor2 {};
  25 template <typename T> class TFoo { void f(); };
  26 // expected-error@+1 {{nested name specifier 'decltype(TFoo<T>())::'}}
  27 template <typename T> void decltype(TFoo<T>())::f() {
  28   switch (0) { case 0: ImplicitDefaultCtor1 o; }
  29 }
  30
  31 namespace tpl2 {
  32 struct ImplicitDefaultCtor3 {};
  33 template <class T1> class A {
  34   template <class T2> class B {
  35     void mf2();
  36   };
  37 };
  38 template <class Y>
  39 template <>
  40 // expected-error@+1 {{nested name specifier 'A<Y>::B<double>::'}}
  41 void A<Y>::B<double>::mf2() {
  42   switch (0) { case 0: ImplicitDefaultCtor3 o; }
  43 }
  44 }