re PR gcov-profile/59527 (ICE: in fixup_reorder_chain, at cfgrtl.c:3739 during PGO Firefox build)

2013-12-17  Teresa Johnson  <tejohnson@google.com>

	PR gcov-profile/59527
	* cfgrtl.c (fixup_reorder_chain): Handle a region-crossing
        branch, which can't be eliminated.

From-SVN: r206072

gcc/ChangeLog

+2013-12-17  Teresa Johnson  <tejohnson@google.com>
+
+	PR gcov-profile/59527
+	* cfgrtl.c (fixup_reorder_chain): Handle a region-crossing
+	branch, which can't be eliminated.
+
 2013-12-18  Martin Liska  <marxin.liska@gmail.com>
 	    Jan Hubicka  <jh@suse.cz>
 

gcc/cfgrtl.c

@@ -3736,7 +3736,8 @@ fixup_reorder_chain (void)
 	      if (!e_fall)
 		{
 		  gcc_assert (!onlyjump_p (bb_end_insn)
-			      || returnjump_p (bb_end_insn));
+			      || returnjump_p (bb_end_insn)
+                              || (e_taken->flags & EDGE_CROSSING));
 		  emit_barrier_after (bb_end_insn);
 		  continue;
 		}