| 1 | // RUN: %clang_cc1 %s -emit-llvm-only -o - |
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| 2 | |
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| 3 | // https://bugs.llvm.org/show_bug.cgi?id=38356 |
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| 4 | // We only check that we do not crash. |
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| 5 | |
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| 6 | // ASAN increases stack usage, so we are hitting stack overflow before reaching |
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| 7 | // recursive template instantiation limit. |
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| 8 | // XFAIL: darwin && asan |
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| 9 | |
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| 10 | template <typename a, a b(unsigned), int c, unsigned...> |
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| 11 | struct d : d<a, b, c - 1> {}; |
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| 12 | template <typename a, a b(unsigned), unsigned... e> |
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| 13 | struct d<a, b, 0, e...> { |
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| 14 | a f[0]; |
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| 15 | }; |
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| 16 | struct g { |
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| 17 | static g h(unsigned); |
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| 18 | }; |
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| 19 | struct i { |
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| 20 | void j() const; |
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| 21 | // Current maximum depth of recursive template instantiation is 1024, |
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| 22 | // thus, this \/ threshold value is used here. BasePathSize in CastExpr might |
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| 23 | // not fit it, so we are testing that we do fit it. |
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| 24 | // If -ftemplate-depth= is provided, larger values (4096 and up) cause crashes |
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| 25 | // elsewhere. |
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| 26 | d<g, g::h, (1U << 10U) - 2U> f; |
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| 27 | }; |
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| 28 | void i::j() const { |
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| 29 | const void *k{f.f}; |
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| 30 | (void)k; |
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| 31 | } |
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| 32 | |
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