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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146960 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/TargetLibraryInfo.cpp b/lib/Target/TargetLibraryInfo.cpp
index 768facb..2119c4e 100644
--- a/lib/Target/TargetLibraryInfo.cpp
+++ b/lib/Target/TargetLibraryInfo.cpp
@@ -20,6 +20,8 @@
                 "Target Library Information", false, true)
 char TargetLibraryInfo::ID = 0;
 
+void TargetLibraryInfo::anchor() { }
+
 const char* TargetLibraryInfo::StandardNames[LibFunc::NumLibFuncs] =
   {
     "acos",