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Re: [Patch] PR55189 enable -Wreturn-type by default
- From: Sylvestre Ledru <sylvestre at debian dot org>
- To: gcc-patches at gcc dot gnu dot org
- Cc: joseph at codesourcery dot com, "jason at redhat dot com >> Jason Merrill" <jason at redhat dot com>
- Date: Tue, 12 Aug 2014 19:53:32 +0200
- Subject: Re: [Patch] PR55189 enable -Wreturn-type by default
- Authentication-results: sourceware.org; auth=none
- References: <538F7856 dot 1090104 at debian dot org> <Pine dot LNX dot 4 dot 64 dot 1406042321130 dot 2874 at digraph dot polyomino dot org dot uk> <53903961 dot 9030501 at debian dot org> <Pine dot LNX dot 4 dot 64 dot 1406051749260 dot 2819 at digraph dot polyomino dot org dot uk> <53A07226 dot 4040803 at debian dot org> <Pine dot LNX dot 4 dot 64 dot 1406171712280 dot 23412 at digraph dot polyomino dot org dot uk> <53A07CCC dot 2030004 at debian dot org> <Pine dot LNX dot 4 dot 64 dot 1406171739550 dot 23412 at digraph dot polyomino dot org dot uk> <53BAD646 dot 7020102 at debian dot org> <Pine dot LNX dot 4 dot 64 dot 1407302205070 dot 3490 at digraph dot polyomino dot org dot uk> <53E8744B dot 5030509 at debian dot org> <Pine dot LNX dot 4 dot 64 dot 1408121747210 dot 11174 at digraph dot polyomino dot org dot uk>
On 12/08/2014 19:48, Joseph S. Myers wrote:
> On Mon, 11 Aug 2014, Sylvestre Ledru wrote:
>
>>> The test Wmissing-return2.c only has one of the two warnings. But as per
>>> "-Wreturn-type => Run both", and for backwards compatibility with the
>>> existing definition of -Wreturn-type, both warnings should appear for this
>>> test.
>> Make sense. Thanks for the feedback and the help.
>> Here it is:
>> https://github.com/sylvestre/gcc/commit/089ffc9fb85034111b892ee10190dc12b5dbe551
> Yes, those tests seem as I expect.
Thanks!
>> By the way, do you prefer a single commit for all tests or one per
>> directory (gfortran, C++, gcc, OpenMP) ?
> Each commit needs to avoid causing regressions. Thus, if a change to
> compiler behavior would cause an existing test to fail, the change to the
> test needs to be in the same commit as the change of behavior - or in a
> previous commit if the changed test works both with and without the
> compiler change.
>
Since -Wreturn & -Wmissing-return are tied, I will have to commit
everything at once.
I am going to send the patch asap (after an update + build + tests to
make sure new tests pass).
Sylvestre