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[Bug fortran/27866] Warn when casting, e.g. assigning a double precision to a real
- From: "tkoenig at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 1 Jun 2006 21:09:15 -0000
- Subject: [Bug fortran/27866] Warn when casting, e.g. assigning a double precision to a real
- References: <bug-27866-1719@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #1 from tkoenig at gcc dot gnu dot org 2006-06-01 21:09 -------
(In reply to comment #0)
> In the following program there is clearly a problem with the "r = d"
> assignment. In most real programs such drastic case does not happen. However,
> simple precision loss or worse things may occure.
>
> gfortran -Wall should warn, but it does not deserve a default warning.
There is -Wconversion, but this also warns the wrong way around.
--
tkoenig at gcc dot gnu dot org changed:
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27866