copy7.C: Only abort in memcpy if source and destination are the same.

2008-04-24  Doug Kwan  <dougkwan@google.com>

        * g++.dg/init/copy7.C: Only abort in memcpy if source and
        destination are the same.

From-SVN: r146744

gcc/testsuite/ChangeLog

+2008-04-24  Doug Kwan  <dougkwan@google.com>
+
+	* g++.dg/init/copy7.C: Only abort in memcpy if source and
+	destination are the same.
+
 2009-04-24  Richard Guenther  <rguenther@suse.de>
 
 	* gcc.dg/tree-ssa/vrp48.c: New testcase.

gcc/testsuite/g++.dg/init/copy7.C

@@ -6,7 +6,14 @@ extern "C" void abort();
 extern "C" void *
 memcpy(void *dest, void *src, __SIZE_TYPE__ n)
 {
-  abort();
+  if (dest == src)
+    abort();
+  else
+    {
+      __SIZE_TYPE__ i;
+      for (i = 0; i < n; i++)
+        ((char *)dest)[i] = ((const char*)src)[i];
+    }
 }
 
 struct A