--- old/src/share/vm/utilities/vmError.cpp	2015-04-23 02:09:38.195367568 -0400
+++ new/src/share/vm/utilities/vmError.cpp	2015-04-23 02:09:36.859291782 -0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -1013,7 +1013,9 @@
       out.print_raw   (cmd);
       out.print_raw_cr("\" ...");
 
-      os::fork_and_exec(cmd);
+      if (os::fork_and_exec(cmd) < 0) {
+        out.print_raw_cr("os::fork_and_exec failed");
+      }
     }
 
     // done with OnError
@@ -1098,7 +1100,9 @@
 #endif
     tty->print_cr("\"%s\"...", cmd);
 
-    os::fork_and_exec(cmd);
+    if (os::fork_and_exec(cmd) < 0) {
+      out.print_raw_cr("os::fork_and_exec failed");
+    }
   }
 }