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Set PreprocessorOpts.GeneratePreamble=true in PrecompiledPreamble. 

Summary:
It was previsouly set only in ASTUnit, but it should be set for all client of
PrecompiledPreamble.

Reviewers: erikjv, bkramer, klimek

Reviewed By: bkramer

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D38617

llvm-svn: 315212
This commit is contained in:
Ilya Biryukov 2017-10-09 16:52:12 +00:00
parent 08e6ccbcf3
commit eb1ec876b3
2 changed files with 2 additions and 1 deletions
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1
clang/lib/Frontend/ASTUnit.cpp
View File

@ -1698,7 +1698,6 @@ ASTUnit *ASTUnit::LoadFromCommandLine(
PreprocessorOptions &PPOpts = CI->getPreprocessorOpts();
PPOpts.RemappedFilesKeepOriginalName = RemappedFilesKeepOriginalName;
PPOpts.AllowPCHWithCompilerErrors = AllowPCHWithCompilerErrors;
PPOpts.GeneratePreamble = PrecompilePreambleAfterNParses != 0;
PPOpts.SingleFileParseMode = SingleFileParse;
// Override the resources path.

2
clang/lib/Frontend/PrecompiledPreamble.cpp
View File

@ -234,6 +234,8 @@ llvm::ErrorOr<PrecompiledPreamble> PrecompiledPreamble::Build(
FrontendOpts.OutputFile = PreamblePCHFile->getFilePath();
PreprocessorOpts.PrecompiledPreambleBytes.first = 0;
PreprocessorOpts.PrecompiledPreambleBytes.second = false;
// Inform preprocessor to record conditional stack when building the preamble.
PreprocessorOpts.GeneratePreamble = true;
// Create the compiler instance to use for building the precompiled preamble.
std::unique_ptr<CompilerInstance> Clang(