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