Make Lexer::ComputePreamble accept a LangOptions parameter, otherwise it may be
out-of-sync how a file is compiled. Patch by Matthias Kleine!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138580 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/ASTUnit.cpp b/lib/Frontend/ASTUnit.cpp
index e369f43..71f9c0d 100644
--- a/lib/Frontend/ASTUnit.cpp
+++ b/lib/Frontend/ASTUnit.cpp
@@ -1122,7 +1122,9 @@
CreatedBuffer = true;
}
- return std::make_pair(Buffer, Lexer::ComputePreamble(Buffer, MaxLines));
+ return std::make_pair(Buffer, Lexer::ComputePreamble(Buffer,
+ Invocation.getLangOpts(),
+ MaxLines));
}
static llvm::MemoryBuffer *CreatePaddedMainFileBuffer(llvm::MemoryBuffer *Old,
diff --git a/lib/Frontend/FrontendActions.cpp b/lib/Frontend/FrontendActions.cpp
index 4eb9cda..d6df141 100644
--- a/lib/Frontend/FrontendActions.cpp
+++ b/lib/Frontend/FrontendActions.cpp
@@ -220,7 +220,7 @@
llvm::MemoryBuffer *Buffer
= CI.getFileManager().getBufferForFile(getCurrentFile());
if (Buffer) {
- unsigned Preamble = Lexer::ComputePreamble(Buffer).first;
+ unsigned Preamble = Lexer::ComputePreamble(Buffer, CI.getLangOpts()).first;
llvm::outs().write(Buffer->getBufferStart(), Preamble);
delete Buffer;
}