Merge GDB 7.5.1

sim/testsuite/sim/cris/c/sigreturn1.c

 /* Test that TRT happens for spurious sigreturn calls.  Single-thread.
 #notarget: cris*-*-elf
 #xerror:
 #output: Invalid sigreturn syscall: no signal handler active (0x1, 0x2, 0x3, 0x4, 0x5, 0x6)\n
-#output: program stopped with signal 4.\n
+#output: program stopped with signal 4 (*).\n
 */
 
 #include <unistd.h>
 #include <sys/syscall.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <errno.h>
 
 int main (void)
 {
   int err = syscall (SYS_sigreturn, 1, 2, 3, 4, 5, 6);
   if (err == -1 && errno == ENOSYS)
     printf ("ENOSYS\n");
   printf ("xyzzy\n");
   exit (0);
 }