obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.

1 files changed, 33 insertions, 0 deletions

diff --git a/gcc/testsuite/g++.dg/template/sfinae27.C b/gcc/testsuite/g++.dg/template/sfinae27.C
new file mode 100644
index 000000000..0ecd1700d
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/sfinae27.C
@@ -0,0 +1,33 @@
+// Origin: PR c++/46162
+
+struct small_type { char dummy; };
+struct large_type { char dummy[2]; };
+
+template<class T>
+struct has_foo_member_variable
+{
+  template<int T::*> struct tester;
+  template<class U> static small_type has_foo(tester<&U::foo> *);
+  template<class U> static large_type has_foo(...);
+  static const bool value = (sizeof(has_foo<T>(0)) == sizeof(small_type));
+};
+
+struct A
+{
+  static int foo()
+  {
+    return 0;
+  }
+};
+
+struct B
+{
+  static int foo;
+};
+
+void
+bar()
+{
+  bool b = has_foo_member_variable<A>::value;
+}
+