1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/constexpr-null1.C b/gcc/testsuite/g++.dg/constexpr-null1.C
new file mode 100644
index 000000000..44cf9a0b9
--- /dev/null
+++ b/gcc/testsuite/g++.dg/constexpr-null1.C
@@ -0,0 +1,11 @@
+// PR c++/46670
+// { dg-options -std=c++0x }
+
+extern unsigned char __TBB_ReverseByte(unsigned char src);
+extern unsigned char *reversed;
+template<typename T> T __TBB_ReverseBits(T src)
+{
+  unsigned char *original = (unsigned char *) &src;
+  for( int i = sizeof(T)-1; i--; )
+    reversed[i] = __TBB_ReverseByte( original[sizeof(T)-i-1] );
+}