clang/test/SemaCXX/init-expr-crash.cpp

   1 // RUN: %clang_cc1 %s -fsyntax-only -verify -std=c++11
   2
   3 // Test reproduces a pair of crashes that were caused by code attempting
   4 // to materialize a default constructor's exception specifier.
   5
   6 template <class T> struct A {
   7   static T tab[];
   8
   9   const int M = UNDEFINED; // expected-error {{use of undeclared identifier}}
  10
  11   int main()
  12   {
  13     A<char> a;
  14
  15     return 0;
  16   }
  17 };
  18
  19 template <class T> struct B {
  20   static T tab[];
  21
  22   // expected-error@+1 {{invalid application of 'sizeof' to an incomplete type}}
  23   const int N = sizeof(B<char>::tab) / sizeof(char);
  24
  25   int main()
  26   {
  27     B<char> b;
  28
  29     return 0;
  30   }
  31 };
  32
  33 // This test checks for a crash that resulted from us miscomputing the
  34 // dependence of a nested initializer list.
  35 template<int> struct X {
  36   static constexpr int n = 4;
  37   static constexpr int a[1][1] = {n};
  38 };
  39