labug1.f failure in web.c

Jan Hubicka jh@suse.cz
Tue Oct 14 19:55:00 GMT 2003


> 
> Hi Jan,
> 
> You'll be hearing from the regression tester about this soon, but you
> should know that your new web.c optimisation pass causes at least
> 
> FAIL: g77.f-torture/execute/labug1.f compilation,  -O3
> -fomit-frame-pointer FAIL: g77.f-torture/execute/labug1.f compilation,
> -O3 -fomit-frame-pointer -funroll-loops FAIL:
> g77.f-torture/execute/labug1.f compilation,  -O3 -fomit-frame-pointer
> -funroll-all-loops -finline-functions FAIL:
> g77.f-torture/execute/labug1.f compilation,  -O3 -g 
> 
> on powerpc-darwin.  The symptom is a crash, with:
> 
> #0  web_main () at
>  /Network/Servers/cauchy/homes/thorin/gkeating/co/egcs-mainline/gcc/gcc/web.c:172
> 172             link = link->next;
> 
> with 'link' NULL.

It looks like df.c no longer adds both use and definition for read/write
occurences.  This seems to be wrong to me,  I will check why this
happent.

Honza



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