middle-end/10336: [3.3/3.4 regression] ICE with -Wunreachable-code

[Jason Merrill]

The following reply was made to PR middle-end/10336; it has been noted by GNATS.

From: Jason Merrill <jason@redhat.com>
To: steven@gcc.gnu.org
Cc: gcc-bugs@gcc.gnu.org, gcc-prs@gcc.gnu.org, nobody@gcc.gnu.org,
   reichelt@igpm.rwth-aachen.de, gcc-gnats@gcc.gnu.org
Subject: Re: middle-end/10336: [3.3/3.4 regression] ICE with
 -Wunreachable-code
Date: Tue, 15 Apr 2003 04:28:24 +0100

 --=-=-=
 
 Thanks, I'm testing this patch now.  Yours leaves insn null for testcases
 that were crashing, so we wouldn't ever warn.
 
 
 --=-=-=
 Content-Type: text/x-patch
 Content-Disposition: inline
 
 *** jump.c.~2~	2003-04-03 18:54:32.000000000 -0500
 --- jump.c	2003-04-14 22:48:49.000000000 -0400
 *************** never_reached_warning (avoided_insn, fin
 *** 1913,1919 ****
        us the head of a block, a NOTE_INSN_BASIC_BLOCK, which often follows
        the line note.  */
     for (insn = PREV_INSN (avoided_insn); ; insn = PREV_INSN (insn))
 !     if (GET_CODE (insn) != NOTE)
         {
   	insn = NEXT_INSN (insn);
   	break;
 --- 1913,1920 ----
        us the head of a block, a NOTE_INSN_BASIC_BLOCK, which often follows
        the line note.  */
     for (insn = PREV_INSN (avoided_insn); ; insn = PREV_INSN (insn))
 !     if (GET_CODE (insn) != NOTE
 ! 	|| NOTE_LINE_NUMBER (insn) == NOTE_INSN_FUNCTION_BEG)
         {
   	insn = NEXT_INSN (insn);
   	break;
 
 --=-=-=--