use getLVForDecl for consistency.

No intended functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@182749 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/Decl.cpp b/lib/AST/Decl.cpp
index 4f98ff3..57eda43 100644
--- a/lib/AST/Decl.cpp
+++ b/lib/AST/Decl.cpp
@@ -1069,7 +1069,7 @@
   const FunctionDecl *FD = getOutermostFunctionContext(D);
   if (!FD || !FD->isInlined())
     return LinkageInfo::none();
-  LinkageInfo LV = FD->getLinkageAndVisibility();
+  LinkageInfo LV = getLVForDecl(FD, computation);
   if (!isExternallyVisible(LV.getLinkage()))
     return LinkageInfo::none();
   return LinkageInfo(VisibleNoLinkage, LV.getVisibility(),