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0aa4af711e
-f{constexpr,macro,template}-backtrace-limit=, -fspell-checking-limit=, -ftemplate-depth=
37 lines
1.1 KiB
C++
37 lines
1.1 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify -ftemplate-depth=128 -ftemplate-backtrace-limit=4 %s
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template<int N> struct S {
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typedef typename S<N-1>::type type;
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static int f(int n = S<N-1>::f()); // \
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// expected-error{{recursive template instantiation exceeded maximum depth of 128}} \
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// expected-note 3 {{instantiation of default function argument}} \
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// expected-note {{skipping 125 contexts in backtrace}} \
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// expected-note {{use -ftemplate-depth=N to increase recursive template instantiation depth}}
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};
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template<> struct S<0> {
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typedef int type;
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};
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// Incrementally instantiate up to S<2048>.
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template struct S<128>;
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template struct S<256>;
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template struct S<384>;
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template struct S<512>;
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template struct S<640>;
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template struct S<768>;
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template struct S<896>;
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template struct S<1024>;
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template struct S<1152>;
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template struct S<1280>;
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template struct S<1408>;
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template struct S<1536>;
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template struct S<1664>;
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template struct S<1792>;
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template struct S<1920>;
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template struct S<2048>;
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// Check that we actually bail out when we hit the instantiation depth limit for
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// the default arguments.
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void g() { S<2048>::f(); } // expected-note {{required here}}
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