clang/test/SemaCXX/invalid-constructor-init.cpp

   1 // RUN: %clang_cc1 -frecovery-ast -verify %s
   2
   3 struct X {
   4   int Y;
   5   constexpr X()
   6       : Y(foo()) {} // expected-error {{use of undeclared identifier 'foo'}}
   7 };
   8 // no crash on evaluating the constexpr ctor.
   9 constexpr int Z = X().Y; // expected-error {{constexpr variable 'Z' must be initialized by a constant expression}}
  10
  11 struct X2 {
  12   int Y = foo();    // expected-error {{use of undeclared identifier 'foo'}}
  13   constexpr X2() {}
  14 };
  15
  16 struct X3 {
  17   int Y;
  18   constexpr X3()
  19       : Y(({foo();})) {} // expected-error {{use of undeclared identifier 'foo'}}
  20 };
  21
  22 struct CycleDelegate {
  23   int Y;
  24   CycleDelegate(int)
  25       : Y(foo()) {} // expected-error {{use of undeclared identifier 'foo'}}
  26   // no bogus "delegation cycle" diagnostic
  27   CycleDelegate(float) : CycleDelegate(1) {}
  28 };
  29
  30 struct X4 {
  31   int* p = new int(invalid()); // expected-error {{use of undeclared identifier}}
  32 };
  33 // no crash on evaluating the CXXDefaultInitExpr.
  34 constexpr int* s = X4().p; // expected-error {{must be initialized by}}