On Thu, 2005-04-28 at 19:31 +0200, Steven Bosscher wrote: > On Apr 28, 2005 06:55 PM, Joe Buck <[EMAIL PROTECTED]> wrote: > > > On Thu, Apr 28, 2005 at 06:45:10PM +0200, Steven Bosscher wrote: > > > Hi, > > > > > > PR21173 and its duplicates are a class of wrong-code and ICE bugs > > > in GCC 4.0.0. > > > > > > In Bugzilla, PR21173 now has 3 duplicates, and there was another > > > example on this mailing list. That makes 5 users who have already > > > run into this rather serious bug. That is a lot, for a compiler > > > that has only just been released... > > > > I'm not surprised to see a problem in anything with two 0's. It's > > the first release ever with tree-ssa. It was inevitable that users > > would find problems, > > Yeah, but in this case the patch that introduced the bug was one of > the last to go in before the release (it was the fix for PRs 20490 > and 20929, the patch for that went in on April 17). So it was more > an unfortunate fix than a typical .0 bug. Yes, it went in between RC2 and final.
Of course, nobody realized there was a deeper problem at the time (force_gimple_operand modifying trees) including me. > > I hope users don't find too many problems ;-) > > Gr. > Steven > >
