1*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -verify -ftemplate-depth 128 -ftemplate-backtrace-limit 4 %s 2*67e74705SXin Li 3*67e74705SXin Li template<int N> struct S { 4*67e74705SXin Li typedef typename S<N-1>::type type; 5*67e74705SXin Li static int f(int n = S<N-1>::f()); // \ 6*67e74705SXin Li // expected-error{{recursive template instantiation exceeded maximum depth of 128}} \ 7*67e74705SXin Li // expected-note 3 {{instantiation of default function argument}} \ 8*67e74705SXin Li // expected-note {{skipping 125 contexts in backtrace}} \ 9*67e74705SXin Li // expected-note {{use -ftemplate-depth=N to increase recursive template instantiation depth}} 10*67e74705SXin Li 11*67e74705SXin Li }; 12*67e74705SXin Li template<> struct S<0> { 13*67e74705SXin Li typedef int type; 14*67e74705SXin Li }; 15*67e74705SXin Li 16*67e74705SXin Li // Incrementally instantiate up to S<2048>. 17*67e74705SXin Li template struct S<128>; 18*67e74705SXin Li template struct S<256>; 19*67e74705SXin Li template struct S<384>; 20*67e74705SXin Li template struct S<512>; 21*67e74705SXin Li template struct S<640>; 22*67e74705SXin Li template struct S<768>; 23*67e74705SXin Li template struct S<896>; 24*67e74705SXin Li template struct S<1024>; 25*67e74705SXin Li template struct S<1152>; 26*67e74705SXin Li template struct S<1280>; 27*67e74705SXin Li template struct S<1408>; 28*67e74705SXin Li template struct S<1536>; 29*67e74705SXin Li template struct S<1664>; 30*67e74705SXin Li template struct S<1792>; 31*67e74705SXin Li template struct S<1920>; 32*67e74705SXin Li template struct S<2048>; 33*67e74705SXin Li 34*67e74705SXin Li // Check that we actually bail out when we hit the instantiation depth limit for 35*67e74705SXin Li // the default arguments. g()36*67e74705SXin Livoid g() { S<2048>::f(); } // expected-note {{required here}} 37