Fix Lexer::ComputePreamble when MaxLines parameter is non-zero.
The function was only counting lines that included tokens and not empty lines,
but MaxLines (mainly initiated to the line where the code-completion point resides)
is a count of overall lines (even empty ones).
llvm-svn: 139085
diff --git a/clang/lib/Frontend/ASTUnit.cpp b/clang/lib/Frontend/ASTUnit.cpp
index b8551e9a..190bc49 100644
--- a/clang/lib/Frontend/ASTUnit.cpp
+++ b/clang/lib/Frontend/ASTUnit.cpp
@@ -2254,7 +2254,8 @@
llvm::sys::PathWithStatus MainPath(OriginalSourceFile);
if (const FileStatus *CompleteFileStatus = CompleteFilePath.getFileStatus())
if (const FileStatus *MainStatus = MainPath.getFileStatus())
- if (CompleteFileStatus->getUniqueID() == MainStatus->getUniqueID())
+ if (CompleteFileStatus->getUniqueID() == MainStatus->getUniqueID() &&
+ Line > 1)
OverrideMainBuffer
= getMainBufferWithPrecompiledPreamble(*CCInvocation, false,
Line - 1);