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