Reference initialization with initializer lists.

This supports single-element initializer lists for references according to DR1288, as well as creating temporaries and binding to them for other initializer lists.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145186 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 31 insertions, 0 deletions

diff --git a/test/SemaCXX/cxx0x-initializer-references.cpp b/test/SemaCXX/cxx0x-initializer-references.cpp
new file mode 100644
index 0000000000..5bc355f8e4
--- /dev/null
+++ b/test/SemaCXX/cxx0x-initializer-references.cpp
@@ -0,0 +1,31 @@
+// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
+
+namespace reference {
+  struct A {
+    int i1, i2;
+  };
+
+  void single_init() {
+    const int &cri1a = {1};
+    const int &cri1b{1};
+
+    int i = 1;
+    int &ri1a = {i};
+    int &ri1b{i};
+
+    int &ri2 = {1}; // expected-error {{cannot bind to an initializer list temporary}}
+
+    A a{1, 2};
+    A &ra1a = {a};
+    A &ra1b{a};
+  }
+
+  void reference_to_aggregate() {
+    const A &ra1{1, 2};
+    A &ra2{1, 2}; // expected-error {{cannot bind to an initializer list temporary}}
+
+    const int (&arrayRef)[] = {1, 2, 3};
+    static_assert(sizeof(arrayRef) == 3 * sizeof(int), "bad array size");
+  }
+
+}