src/os_cpu/linux_s390/vm/os_linux_s390.cpp

rev 12800 : 8176872: [s390] wrong pc shown in error logs
Reviewed-by: dholmes, dsamersoff

*** 503,512 ****
--- 503,520 ----
    sigset_t newset;
    sigemptyset(&newset);
    sigaddset(&newset, sig);
    sigprocmask(SIG_UNBLOCK, &newset, NULL);
  
+   // Hand down correct pc for SIGILL, SIGFPE. pc from context
+   // usually points to the instruction after the failing instruction.
+   // Note: this should be combined with the trap_pc handling above,
+   // because it handles the same issue.
+   if (sig == SIGILL || sig == SIGFPE) {
+     pc = (address) info->si_addr;
+   }
+ 
    VMError::report_and_die(t, sig, pc, info, ucVoid);
  
    ShouldNotReachHere();
    return false;
  }