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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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