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Re: --disable-checking bootstrap failure
On Mon, 2004-09-13 at 08:43, Steven Bosscher wrote:
> On Monday 13 September 2004 15:41, Daniel Jacobowitz wrote:
> > On Mon, Sep 13, 2004 at 08:35:26AM -0400, Diego Novillo wrote:
> > > On Fri, 2004-09-10 at 12:24, Nathan Sidwell wrote:
> > > > It's getting to the end of the day here, and I'm going to have another
> > > > learning curve figuring out where to look next. anyone want to help?
> > >
> > > I'm looking at this failure today. Have any other details?
> >
> > I ran into one of the reported symptoms overnight and reduced it. The
> > attached is a testcase reduced from tree-cfg.c. When built using
> > stage1, or a bootstrapped --enable-checking compiler, it reduces to an
> > infinite loop. It appears that the compiler decides that tsi_next does
> > not change the result value of bsi_stmt.
> >
> > Compile like so on i686-pc-linux-gnu:
> > stage1/xgcc -Bstage1/ -c -g -O2 -w tree-cfg2.c -o tmp-tree-cfg.o
>
>
> The infinite loop is introduced in DOM2.
Nevermind. I see the testcase in a earlier message. I'll try
to take a look tomorrow.
jeff