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[Bug fortran/37930] gfortran error and ICE at automatic type conversion with transfer intrinsic
- From: "deji_aking at yahoo dot ca" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 28 Oct 2008 15:47:31 -0000
- Subject: [Bug fortran/37930] gfortran error and ICE at automatic type conversion with transfer intrinsic
- References: <bug-37930-8911@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #9 from deji_aking at yahoo dot ca 2008-10-28 15:47 -------
(In reply to comment #7)
> > What does ... print?
>
> NaN on both ppc/intel-Darwin9.
>
> > My patch simply fixes the ICE in gfortran.
>
> I think the conversion of NaN to int is buggy since the behavior is
> platform/option dependent. Your patch just prevents to reach the bug. It always
> make me nervous when a bug is hidden without being understood.
>
When I run
program test
integer i
i = transfer(-1,1.0)
print *, i
end
I get -2147483648 with gcc-4.2, ifort, and pgf90 on x86_64 Linux, and same
value with xlf on AIX with power5.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37930