9 lines
562 B
C++
9 lines
562 B
C++
// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s -DMAX=128 -fconstexpr-depth 128
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// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s -DMAX=2 -fconstexpr-depth 2
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// RUN: %clang -std=c++11 -fsyntax-only -Xclang -verify %s -DMAX=10 -fconstexpr-depth=10
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constexpr int depth(int n) { return n > 1 ? depth(n-1) : 0; } // expected-note {{exceeded maximum depth}} expected-note +{{}}
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constexpr int kBad = depth(MAX + 1); // expected-error {{must be initialized by a constant expression}} expected-note {{in call to 'depth(}}
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constexpr int kGood = depth(MAX);
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