[TableGen] Remove unnecessary extern declaration that's already in an included header...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239275 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/utils/TableGen/CTagsEmitter.cpp b/utils/TableGen/CTagsEmitter.cpp
index bbed92a138521c8499ce42be45b86d28a531f32e..251a4d1b117085873728307314600350c0bdf617 100644 (file)
--- a/utils/TableGen/CTagsEmitter.cpp
+++ b/utils/TableGen/CTagsEmitter.cpp
@@ -24,8 +24,6 @@ using namespace llvm;
 
 #define DEBUG_TYPE "ctags-emitter"
 
-namespace llvm { extern SourceMgr SrcMgr; }
-
 namespace {
 
 class Tag {