Add the location of the tag keyword into TagDecl. From Enea
Zaffanella, with tweaks from Abramo Bagnara.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76576 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/PCHWriterDecl.cpp b/lib/Frontend/PCHWriterDecl.cpp
index b2c6fd2..fba11f8 100644
--- a/lib/Frontend/PCHWriterDecl.cpp
+++ b/lib/Frontend/PCHWriterDecl.cpp
@@ -113,6 +113,7 @@
   Record.push_back(D->isDefinition());
   Writer.AddDeclRef(D->getTypedefForAnonDecl(), Record);
   Writer.AddSourceLocation(D->getRBraceLoc(), Record);
+  Writer.AddSourceLocation(D->getTagKeywordLoc(), Record);
 }
 
 void PCHDeclWriter::VisitEnumDecl(EnumDecl *D) {