* binutils-all/objcopy.exp: If assembly fails, call unresolved.

Test running objcopy and strip on a final executable.
	* binutils-all/testprog.c: New file.
	* config/default.exp (STRIP, STRIPFLAGS): Define.
	(binutils_compile): New procedure.
	* lib/utils-lib.exp (default_binutils_compile): New procedure.

binutils/testsuite/binutils-all/testprog.c

@@ -0,0 +1,28 @@
+/* This program is used to test objcopy and strip.  */
+
+int common;
+int global = 1;
+static int local = 2;
+static char string[] = "string";
+
+int
+fn ()
+{
+  return 3;
+}
+
+int
+main ()
+{
+  if (common != 0
+      || global != 1
+      || local != 2
+      || strcmp (string, "string") != 0)
+    {
+      printf ("failed\n");
+      exit (1);
+    }
+
+  printf ("ok\n");
+  exit (0);
+}