[Sema] Do not permit binding a reference to a compound literal

We could probably make this work if we cared enough.  However, we are
far outside any language rules at this point.

This fixes PR21834.

llvm-svn: 235818

1 files changed, 4 insertions, 0 deletions

diff --git a/clang/test/SemaCXX/cxx0x-initializer-references.cpp b/clang/test/SemaCXX/cxx0x-initializer-references.cpp
index f9164fb1ae6..390047ea075 100644
--- a/clang/test/SemaCXX/cxx0x-initializer-references.cpp
+++ b/clang/test/SemaCXX/cxx0x-initializer-references.cpp
@@ -125,3 +125,7 @@ namespace PR20844 {
   struct B { operator A&(); } b;
   A &a{b}; // expected-error {{excess elements}} expected-note {{in initialization of temporary of type 'PR20844::A'}}
 }
+
+namespace PR21834 {
+const int &a = (const int &){0}; // expected-error {{cannot bind to an initializer list}}
+}