clang/test/CodeGenCXX/pr29160.cpp

   1 // RUN: %clang_cc1 -std=c++11 -triple i686-linux-gnu %s -o /dev/null -S -emit-llvm
   2 //
   3 // This test's failure mode is running ~forever. (For some value of "forever"
   4 // that's greater than 25 minutes on my machine)
   5
   6 template <typename... Ts>
   7 struct Foo {
   8   template <typename... T>
   9   static void ignore() {}
  10   Foo() { ignore<Ts...>(); }
  11 };
  12
  13 struct Base {
  14   Base();
  15   ~Base();
  16 };
  17
  18 #define STAMP(thiz, prev) using thiz = Foo< \
  19   prev, prev, prev, prev, prev, prev, prev, prev, prev, prev, prev, prev, \
  20   prev, prev, prev, prev, prev, prev, prev, prev, prev, prev, prev, prev, \
  21   prev, prev, prev, prev, prev, prev, prev, prev, prev, prev, prev, prev \
  22   >;
  23 STAMP(A, Base);
  24 STAMP(B, A);
  25 STAMP(C, B);
  26 STAMP(D, C);
  27 STAMP(E, D);
  28 STAMP(F, E);
  29 STAMP(G, F);
  30 STAMP(H, G);
  31 STAMP(I, H);
  32 STAMP(J, I);
  33 STAMP(K, J);
  34 STAMP(L, K);
  35 STAMP(M, L);
  36 STAMP(N, M);
  37 STAMP(O, N);
  38 STAMP(P, O);
  39 STAMP(Q, P);
  40
  41 int main() { Q q; }