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, 17 insertions, 0 deletions

diff --git a/gcc/testsuite/g++.dg/cpp0x/constexpr-complex.C b/gcc/testsuite/g++.dg/cpp0x/constexpr-complex.C
new file mode 100644
index 000000000..fbaae5dcd
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/constexpr-complex.C
@@ -0,0 +1,17 @@
+// Make sure C99 complex works with constexpr
+// { dg-options -std=c++0x }
+
+struct complex
+{
+  typedef float value_type;
+  typedef __complex__ float _ComplexT;
+
+  constexpr complex(_ComplexT __z) : _M_value(__z) { }
+
+  constexpr complex(float __r = 0.0f, float __i = 0.0f)
+  : _M_value(__r + __i * 1.0fi) { }
+
+private:
+  _ComplexT _M_value;
+};
+constexpr complex c1;