diff options
Diffstat (limited to 'clang/lib/Frontend/PrecompiledPreamble.cpp')
| -rw-r--r-- | clang/lib/Frontend/PrecompiledPreamble.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/clang/lib/Frontend/PrecompiledPreamble.cpp b/clang/lib/Frontend/PrecompiledPreamble.cpp index af82ab3f5558..8aa80a4c96fb 100644 --- a/clang/lib/Frontend/PrecompiledPreamble.cpp +++ b/clang/lib/Frontend/PrecompiledPreamble.cpp @@ -412,10 +412,13 @@ llvm::ErrorOr<PrecompiledPreamble> PrecompiledPreamble::Build( std::unique_ptr<PrecompilePreambleAction> Act; Act.reset(new PrecompilePreambleAction( StoreInMemory ? &Storage.asMemory().Data : nullptr, Callbacks)); - Callbacks.BeforeExecute(*Clang); if (!Act->BeginSourceFile(*Clang.get(), Clang->getFrontendOpts().Inputs[0])) return BuildPreambleError::BeginSourceFileFailed; + // Performed after BeginSourceFile to ensure Clang->Preprocessor can be + // referenced in the callback. + Callbacks.BeforeExecute(*Clang); + std::unique_ptr<PPCallbacks> DelegatedPPCallbacks = Callbacks.createPPCallbacks(); if (DelegatedPPCallbacks) |