Merge GDB 7.5.1

sim/testsuite/sim/cris/c/sig4.c

 /* Check that TRT happens at an abort (3) call, more than one thread.
 #notarget: cris*-*-elf
 #cc: additional_flags=-pthread
 #xerror:
 #output: Exiting pid 42 due to signal 6\n
-#output: program stopped with signal 6.\n
+#output: program stopped with signal 6 (*).\n
 */
 
 #include <stdlib.h>
 #include <stddef.h>
 #include <stdio.h>
 #include <unistd.h>
 #include <pthread.h>
 
 static void *
 process (void *arg)
 {
   while (1)
     sched_yield ();
   return NULL;
 }
 
 int main (void)
 {
   pthread_t th_a;
   if (pthread_create (&th_a, NULL, process, (void *) "a") == 0)
     abort ();
   printf ("xyzzy\n");
   exit (0);
 }