From patchwork Wed Aug 29 20:39:56 2012
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Subject: Fix CFG dumping of blocks with no predecessors or successors
Date: Wed, 29 Aug 2012 10:39:56 -0000
From: Steven Bosscher <stevenb.gcc@gmail.com>
X-Patchwork-Id: 180765
Message-Id: <CABu31nP_bCEXupEPN390BjQzWV+yyYXWGue9M0ZZ70hmRY=zKw@mail.gmail.com>
To: GCC Patches <gcc-patches@gcc.gnu.org>

Will commit as obvious.

* cfg.c (dump_bb_info): Print a newline if there were no edges to dump.


Index: cfg.c
===================================================================
--- cfg.c       (revision 190785)
+++ cfg.c       (working copy)
@@ -764,6 +764,8 @@ dump_bb_info (FILE *outf, basic_block bb, int inde
          dump_edge_info (outf, e, flags, 0);
          fputc ('\n', outf);
        }
+      if (first)
+       fputc ('\n', outf);
     }

   if (do_footer)
@@ -784,6 +786,8 @@
          dump_edge_info (outf, e, flags, 1);
          fputc ('\n', outf);
        }
+      if (first)
+       fputc ('\n', outf);
     }
 }