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Re: bootstrap failure while compiling gcc/tree.c (ICE)
On Tue, 28 Aug 2007, Brian Sidebotham wrote:
> > 2007-08-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
> >
> > * system.h (CONST_CAST): Avoid union for gcc-4.0.x.
> >
> > diff -rup orig/egcc-SVN20070825/gcc/system.h egcc-SVN20070825/gcc/system.h
> > --- orig/egcc-SVN20070825/gcc/system.h 2007-08-10 14:11:38.000000000 -0400
> > +++ egcc-SVN20070825/gcc/system.h 2007-08-26 12:29:12.577795974 -0400
> > @@ -774,7 +774,9 @@ extern void fancy_abort (const char *, i
> > execv, et al. Another valid use would be in an allocation function
> > that creates const objects that need to be initialized. Most other
> > cases should be viewed with extreme caution. */
> > -#ifdef __GNUC__
> > +
> > +#if defined(__GNUC__) && GCC_VERSION != 4000
> > +/* GCC 4.0.x has a bug where it may ICE on this expression. */
> > #define CONST_CAST(X) ((__extension__(union {__typeof(X)_q; void *_v;})(X))._v)
> > #else
> > #define CONST_CAST(X) ((void*)(X))
> >
>
> Hi Kaveh,
> This patch solves the issue, thanks!
> Best Regards,
> Brian Sidebotham.
Great, thanks for the feedback. Installed.
--
Kaveh R. Ghazi ghazi@caip.rutgers.edu