Add weak reference directive.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32091 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/TargetAsmInfo.cpp b/lib/Target/TargetAsmInfo.cpp
index 2b4f2f7..8b818fb 100644
--- a/lib/Target/TargetAsmInfo.cpp
+++ b/lib/Target/TargetAsmInfo.cpp
@@ -61,6 +61,7 @@
   COMMDirectiveTakesAlignment(true),
   HasDotTypeDotSizeDirective(true),
   UsedDirective(0),
+  WeakRefDirective(0),
   HasLEB128(false),
   HasDotLoc(false),
   HasDotFile(false),