| 1 | // RUN: %clang_cc1 -fmodules -std=c++11 -emit-pch -o %t %s |
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| 2 | // RUN: %clang_cc1 -fmodules -std=c++11 -include-pch %t %s -verify |
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| 3 | // |
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| 4 | // This test checks for a bug in the deserialization code that was only |
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| 5 | // reachable with modules enabled, but actually building and using modules is |
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| 6 | // not necessary in order to trigger it, so we just use PCH here to make the |
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| 7 | // test simpler. |
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| 8 | |
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| 9 | #ifndef HEADER_INCLUDED |
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| 10 | #define HEADER_INCLUDED |
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| 11 | |
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| 12 | struct X { template <typename T> X(T) {} }; |
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| 13 | struct Y { Y(X x = [] {}); }; |
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| 14 | |
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| 15 | #else |
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| 16 | |
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| 17 | // This triggers us to load the specialization of X::X for Y's lambda. That |
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| 18 | // lambda's context decl must not be loaded as a result of loading the lambda, |
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| 19 | // as that would hit a deserialization cycle. |
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| 20 | X x = [] {}; // expected-no-diagnostics |
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| 21 | |
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| 22 | #endif |
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| 23 | |
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