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
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1 files changed, 31 insertions, 0 deletions

diff --git a/gcc/testsuite/g++.dg/cpp0x/constexpr-object1.C b/gcc/testsuite/g++.dg/cpp0x/constexpr-object1.C
new file mode 100644
index 000000000..4ff398bf1
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/constexpr-object1.C
@@ -0,0 +1,31 @@
+// { dg-do compile }
+// { dg-options "-std=gnu++0x" }
+
+// From N2235
+
+// 4.5.2 semantics
+
+// p 1 constexpr specifier
+// objects, static const data
+struct A1 { int i; };	   // { dg-message "no user-provided default constructor" }
+
+constexpr int i1 = 1024;
+constexpr A1 a1 = A1();
+
+// error: not a definition
+extern constexpr int i2; // { dg-error "definition" }
+
+// error: missing initializer
+constexpr A1 a2; // { dg-error "uninitialized const" }
+
+// error: duplicate cv
+const constexpr A1 a3 = A1(); // { dg-error "both .const. and .constexpr. cannot" }
+
+volatile constexpr A1 a4 = A1(); // { dg-error "both .volatile. and .constexpr. cannot" }
+
+// error: on type declaration
+constexpr struct pixel
+{
+  int x;
+  int y;
+};		     // { dg-error "cannot be used for type declarations" }