This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug fortran/29147] Bad overflow check in DATA statements
- From: "kargl at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 29 Sep 2006 00:25:50 -0000
- Subject: [Bug fortran/29147] Bad overflow check in DATA statements
- References: <bug-29147-6318@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #2 from kargl at gcc dot gnu dot org 2006-09-29 00:25 -------
(In reply to comment #1)
> Created an attachment (id=12299)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=12299&action=view) [edit]
> Legacy code example
>
> Compiles fine with every other compiler out there.
>
That's because every other compiler out there is broken :-)
The standard is quite clear that the BOZ is converted to an
integer with the kind type with the largest decimal range.
In your case that integer is kind=8, and Z'FFFFFFFF' = 4294967295
which over flows the range of an integer(kind=4) constant.
--
kargl at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |kargl at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29147