Improve diagnostic location information when checking the initialization of a reference

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@82666 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaExprCXX.cpp b/lib/Sema/SemaExprCXX.cpp
index f500e13..ff6ae50 100644
--- a/lib/Sema/SemaExprCXX.cpp
+++ b/lib/Sema/SemaExprCXX.cpp
@@ -1356,6 +1356,7 @@
     //   conversion the reference must bind directly to E1.
     if (!Self.CheckReferenceInit(From,
                             Self.Context.getLValueReferenceType(To->getType()),
+                                 To->getLocStart(),
                                  /*SuppressUserConversions=*/false,
                                  /*AllowExplicit=*/false,
                                  /*ForceRValue=*/false,
@@ -1477,6 +1478,7 @@
     // redoing all the work.
     return Self.CheckReferenceInit(E, Self.Context.getLValueReferenceType(
                                         TargetType(ICS)),
+                                   /*FIXME:*/E->getLocStart(),
                                    /*SuppressUserConversions=*/false,
                                    /*AllowExplicit=*/false,
                                    /*ForceRValue=*/false);
@@ -1487,6 +1489,7 @@
            "TryClassUnification should never generate indirect ref bindings");
     return Self.CheckReferenceInit(E, Self.Context.getLValueReferenceType(
                                         TargetType(ICS)),
+                                   /*FIXME:*/E->getLocStart(),
                                    /*SuppressUserConversions=*/false,
                                    /*AllowExplicit=*/false,
                                    /*ForceRValue=*/false);