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Re: PATCH: Fix ObjC protocol qualification lossage (Take 2)
- From: Stan Shebs <shebs at apple dot com>
- To: Ziemowit Laski <zlaski at apple dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Fri, 06 Sep 2002 16:19:10 -0700
- Subject: Re: PATCH: Fix ObjC protocol qualification lossage (Take 2)
- References: <3CC03F6E-C1EE-11D6-AB51-000393673036@apple.com>
Ziemowit Laski wrote:
(Renamed is_id to objc_is_id, per Neil's suggestion)
The following patch addresses a bug whereby the protocol
qualifications of ObjC objects were sometimes forgotten,
leading to erroneous warning messages. This issue was raised
on the gcc list a few days ago, and I believe it to be a regression
from 2.95.x.
Bootstrapped on i686-pc-linux-gnu with no regressions, plus there
is a test case. OK?
OK, with the caveat below.
+ /* Test for situations in which protocol conformance information
+ may be lost, leading to superfluous warnings. */
+ /* Author: Ziemowit Laski <zlaski@apple.com>. */
+ /* { dg-do compile } */
+ /* { dg-options "-Werror" } */
The -Werror shouldn't be necessary; any warnings that do not
have a corresponding dg-warning, or vice versa, will result in
a failure.
Stan