Warn about non-aggregate classes with no user-declared constructors

that have reference or const scalar members, since those members can
never be initializer or modified. Fixes <rdar://problem/7804350>.

llvm-svn: 101316

1 files changed, 4 insertions, 2 deletions

diff --git a/clang/test/SemaCXX/value-initialization.cpp b/clang/test/SemaCXX/value-initialization.cpp
index 16a7a1d0c9b..00bd1aaa40b 100644
--- a/clang/test/SemaCXX/value-initialization.cpp
+++ b/clang/test/SemaCXX/value-initialization.cpp
@@ -1,7 +1,9 @@
 // RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++0x
 
-struct A { // expected-error {{implicit default constructor for 'A' must explicitly initialize the const member 'i'}}
-     const int i;	// expected-note {{declared at}}
+struct A { // expected-error {{implicit default constructor for 'A' must explicitly initialize the const member 'i'}} \
+  // expected-warning{{struct 'A' does not declare any constructor to initialize its non-modifiable members}}
+     const int i;	// expected-note {{declared at}} \
+  // expected-note{{const member 'i' will never be initialized}}
      virtual void f() { } 
 };