Vendor import of clang release_40 branch r292951:vendor/clang/clang-release_40-r292951

https://llvm.org/svn/llvm-project/cfe/branches/release_40@292951

1 files changed, 14 insertions, 0 deletions

diff --git a/test/SemaCXX/cxx11-default-member-initializers.cpp b/test/SemaCXX/cxx11-default-member-initializers.cpp
new file mode 100644
index 000000000000..9353e633fafb
--- /dev/null
+++ b/test/SemaCXX/cxx11-default-member-initializers.cpp
@@ -0,0 +1,14 @@
+// RUN: %clang_cc1 -std=c++11 -verify %s -pedantic
+
+namespace PR31692 {
+  struct A {
+    struct X { int n = 0; } x;
+    // Trigger construction of X() from a SFINAE context. This must not mark
+    // any part of X as invalid.
+    static_assert(!__is_constructible(X), "");
+    // Check that X::n is not marked invalid.
+    double &r = x.n; // expected-error {{non-const lvalue reference to type 'double' cannot bind to a value of unrelated type 'int'}}
+  };
+  // A::X can now be default-constructed.
+  static_assert(__is_constructible(A::X), "");
+}