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68051a74ec
we would deserialize all of the macro definitions we knew about while serializing the macro definitions at the end of the AST/PCH file. Even though we skipped most of them (since they were unchanged), it's still a performance problem. Now, we do the standard AST/PCH chaining trick: watch what identifiers are deserialized as macro names, and consider only those identifiers (along with macro definitions that have been deserialized/written in the source) when serializing the preprocessor state. llvm-svn: 125324
8 lines
60 B
C++
8 lines
60 B
C++
namespace A {
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int x;
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int y;
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}
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int foo;
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#define foo foo
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