r292406 - [ASTUnit] Reset diag state when creating the ASTUnit.

[Benjamin Kramer via cfe-commits]

Author: d0k
Date: Wed Jan 18 10:25:48 2017
New Revision: 292406

URL: http://llvm.org/viewvc/llvm-project?rev=292406&view=rev
Log:
[ASTUnit] Reset diag state when creating the ASTUnit.

A client could call this with a dirty diagnostic engine, don't crash.

Modified:
    cfe/trunk/lib/Frontend/ASTUnit.cpp

Modified: cfe/trunk/lib/Frontend/ASTUnit.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/ASTUnit.cpp?rev=292406&r1=292405&r2=292406&view=diff
==============================================================================
--- cfe/trunk/lib/Frontend/ASTUnit.cpp (original)
+++ cfe/trunk/lib/Frontend/ASTUnit.cpp Wed Jan 18 10:25:48 2017
@@ -1879,6 +1879,7 @@ bool ASTUnit::LoadFromCompilerInvocation
   // We'll manage file buffers ourselves.
   Invocation->getPreprocessorOpts().RetainRemappedFileBuffers = true;
   Invocation->getFrontendOpts().DisableFree = false;
+  getDiagnostics().Reset();
   ProcessWarningOptions(getDiagnostics(), Invocation->getDiagnosticOpts());
 
   std::unique_ptr<llvm::MemoryBuffer> OverrideMainBuffer;