Unweaken vtables as per http://llvm.org/docs/CodingStandards.html#ll_virtual_anch

llvm-svn: 146960
diff --git a/llvm/lib/CodeGen/LexicalScopes.cpp b/llvm/lib/CodeGen/LexicalScopes.cpp
index a12e1a3..f1abcbb 100644
--- a/llvm/lib/CodeGen/LexicalScopes.cpp
+++ b/llvm/lib/CodeGen/LexicalScopes.cpp
@@ -311,6 +311,8 @@
   return Result;
 }
 
+void LexicalScope::anchor() { }
+
 /// dump - Print data structures.
 void LexicalScope::dump() const {
 #ifndef NDEBUG