Patch over yet more problems with friend declarations which were provoking
problems on LLVM-Code-Syntax.  This proved remarkably easy to "fix" once
I settled on how I was going to approach it.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91633 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaTemplateInstantiateDecl.cpp b/lib/Sema/SemaTemplateInstantiateDecl.cpp
index 69982be..2ca4810 100644
--- a/lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ b/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -396,7 +396,13 @@
     // FIXME: We have a problem here, because the nested call to Visit(ND)
     // will inject the thing that the friend references into the current
     // owner, which is wrong.
-    Decl *NewND = Visit(ND);
+    Decl *NewND;
+
+    // Hack to make this work almost well pending a rewrite.
+    if (ND->getDeclContext()->isRecord())
+      NewND = SemaRef.FindInstantiatedDecl(ND, TemplateArgs);
+    else
+      NewND = Visit(ND);
     if (!NewND) return 0;
 
     FU = cast<NamedDecl>(NewND);