[weak vtables] Remove a bunch of weak vtables

This patch removes most of the trivial cases of weak vtables by pinning them to
a single object file.

Differential Revision: http://llvm-reviews.chandlerc.com/D2068

Reviewed by Andy

llvm-svn: 194865

llvm/lib/Support/ErrorHandling.cpp

@@ -17,6 +17,7 @@
 #include "llvm/ADT/Twine.h"
 #include "llvm/Config/config.h"
 #include "llvm/Support/Debug.h"
+#include "llvm/Support/ErrorOr.h"
 #include "llvm/Support/Signals.h"
 #include "llvm/Support/Threading.h"
 #include "llvm/Support/raw_ostream.h"
@@ -119,3 +120,4 @@ void LLVMInstallFatalErrorHandler(LLVMFatalErrorHandler Handler) {
 void LLVMResetFatalErrorHandler() {
   remove_fatal_error_handler();
 }
+