From 4599d1ad4d47185a242e8909d61039265c290098 Mon Sep 17 00:00:00 2001
From: Ivan Donchevskii <ivan.donchevskii@qt.io>
Date: Fri, 1 Feb 2019 12:24:24 +0100
Subject: [PATCH] Clang: Improve indexing performance on Windows

Do not use delayed template parsing (it's too slow).

Change-Id: I473c92394321920239fd90e6a37f0ce517f94e6a
Reviewed-by: Marco Bubke <marco.bubke@qt.io>
---
 .../source/collectmacrossourcefilecallbacks.cpp                  | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/tools/clangrefactoringbackend/source/collectmacrossourcefilecallbacks.cpp b/src/tools/clangrefactoringbackend/source/collectmacrossourcefilecallbacks.cpp
index e8e77f2e231..d0d107e45e2 100644
--- a/src/tools/clangrefactoringbackend/source/collectmacrossourcefilecallbacks.cpp
+++ b/src/tools/clangrefactoringbackend/source/collectmacrossourcefilecallbacks.cpp
@@ -45,6 +45,7 @@ bool CollectMacrosSourceFileCallbacks::handleBeginSource(clang::CompilerInstance
                 compilerInstance.getPreprocessorPtr(),
                 m_sourcesManager);
 
+    compilerInstance.getLangOpts().DelayedTemplateParsing = false;
     compilerInstance.getPreprocessorPtr()->SetSuppressIncludeNotFoundError(true);
     compilerInstance.getPreprocessorPtr()->addPPCallbacks(std::move(callbacks));