re PR bootstrap/13853 (Bootstrap fails when compiled with gcc 2.8.1 (gnat-3.14p))

	PR bootstrap/13853
	* cfgcleanup.c (try_optimize_cfg): Explicitly test against 0.

From-SVN: r76579

gcc/ChangeLog

+2004-01-25  Eric Botcazou  <ebotcazou@act-europe.fr>
+
+	PR bootstrap/13853
+	* cfgcleanup.c (try_optimize_cfg): Explicitly test against 0.
+
 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
 
 	* config/h8300/lib1funcs.asm (divnorm, modnorm): Optimize by

gcc/cfgcleanup.c

@@ -1809,7 +1809,7 @@ try_optimize_cfg (int mode)
 		  && b->succ->dest != EXIT_BLOCK_PTR
 		  && onlyjump_p (BB_END (b))
 		  && try_redirect_by_replacing_jump (b->succ, b->succ->dest,
-						     (mode & CLEANUP_CFGLAYOUT)))
+						     (mode & CLEANUP_CFGLAYOUT) != 0))
 		{
 		  update_forwarder_flag (b);
 		  changed_here = true;