12314 ld fatal warnings miss some guidance messages

*** 22,31 ****
--- 22,33 ----
  /*
   *      Copyright (c) 1988 AT&T
   *        All Rights Reserved
   *
   * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
+  *
+  * Copyright 2020 Joyent, Inc.
   */
  
  /*
   * Processing of relocatable objects and shared objects.
   */
*** 478,491 ****
           * Wrap up debug output file if one is open
           */
          dbg_cleanup();
  
          /* If any ERR_GUIDANCE messages were issued, add a summary */
!         if (ofl->ofl_guideflags & FLG_OFG_ISSUED)
                  ld_eprintf(ofl, ERR_GUIDANCE, MSG_INTL(MSG_GUIDE_SUMMARY));
  
          /*
           * For performance reasons we don't actually free up the memory we've
           * allocated, it will be freed when we exit.
           *
           * But the below line can be uncommented if/when we want to measure how
           * our memory consumption and freeing are doing.  We should be able to
--- 480,503 ----
           * Wrap up debug output file if one is open
           */
          dbg_cleanup();
  
          /* If any ERR_GUIDANCE messages were issued, add a summary */
!         if (ofl->ofl_guideflags & FLG_OFG_ISSUED) {
                  ld_eprintf(ofl, ERR_GUIDANCE, MSG_INTL(MSG_GUIDE_SUMMARY));
+                 ofl->ofl_guideflags &= ~FLG_OFG_ISSUED;
+         }
  
          /*
+          * One final check for any new warnings we found that should fail the
+          * link edit.
+          */
+         if ((ofl->ofl_flags & (FLG_OF_WARN | FLG_OF_FATWARN)) ==
+             (FLG_OF_WARN | FLG_OF_FATWARN))
+                 return (ld_exit(ofl));
+ 
+         /*
           * For performance reasons we don't actually free up the memory we've
           * allocated, it will be freed when we exit.
           *
           * But the below line can be uncommented if/when we want to measure how
           * our memory consumption and freeing are doing.  We should be able to