Be more careful when checking initializer lists that involve reference
types; we don't want to give an expression reference type. Fixes PR6177.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@95635 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaInit.cpp b/lib/Sema/SemaInit.cpp
index f536701..3e710cf 100644
--- a/lib/Sema/SemaInit.cpp
+++ b/lib/Sema/SemaInit.cpp
@@ -510,8 +510,8 @@
   StructuredList->setSyntacticForm(IList);
   CheckListElementTypes(Entity, IList, T, /*SubobjectIsDesignatorContext=*/true, 
                         Index, StructuredList, StructuredIndex, TopLevelObject);
-  IList->setType(T);
-  StructuredList->setType(T);
+  IList->setType(T.getNonReferenceType());
+  StructuredList->setType(T.getNonReferenceType());
   if (hadError)
     return;
 
@@ -1672,7 +1672,7 @@
     = new (SemaRef.Context) InitListExpr(InitRange.getBegin(), 0, 0,
                                          InitRange.getEnd());
 
-  Result->setType(CurrentObjectType);
+  Result->setType(CurrentObjectType.getNonReferenceType());
 
   // Pre-allocate storage for the structured initializer list.
   unsigned NumElements = 0;
diff --git a/test/SemaCXX/decl-init-ref.cpp b/test/SemaCXX/decl-init-ref.cpp
index 656f343..e1c7711 100644
--- a/test/SemaCXX/decl-init-ref.cpp
+++ b/test/SemaCXX/decl-init-ref.cpp
@@ -24,3 +24,6 @@
         const A& rca = f(); // expected-error {{reference initialization of type 'struct A const &' with initializer of type 'class B' is ambiguous}}
         A& ra = f(); // expected-error {{non-const lvalue reference to type 'struct A' cannot bind to a temporary of type 'class B'}}
 }
+
+struct PR6177 { A (&x)[1]; };
+PR6177 x = {{A()}}; // expected-error{{non-const lvalue reference to type 'struct A [1]' cannot bind to a temporary of type 'struct A'}}