Remove ImplicitMustBeDefined, use universal 'Used' flag
instead. Do the implicit default ctor checking in MarkDeclarationReferenced.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73888 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index 06fd1a1..eba1d58 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -2733,12 +2733,9 @@
                                                  IK_Default);
         if (!Constructor)
           Var->setInvalidDecl();
-        else  { 
+        else 
           if (!RD->hasTrivialConstructor())
             InitializeVarWithConstructor(Var, Constructor, InitType, 0, 0);
-            // Check for valid construction.
-            DefineImplicitDefaultConstructor(Var->getLocation(), Constructor);
-        }
       }
     }