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* [Bug c/57773] New: -Wpedantic incorrect warning for enum bit-field @ 2013-07-02 5:15 eggert at gnu dot org 2013-07-05 16:43 ` [Bug c/57773] " mpolacek at gcc dot gnu.org ` (3 more replies) 0 siblings, 4 replies; 5+ messages in thread From: eggert at gnu dot org @ 2013-07-02 5:15 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57773 Bug ID: 57773 Summary: -Wpedantic incorrect warning for enum bit-field Product: gcc Version: 4.8.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: eggert at gnu dot org Given this program in the file t.c: enum e { zero }; struct { enum e field: 2; } s; The command "gcc -Wpedantic -S t.c" outputs: t.c:2:15: warning: type of bit-field 'field' is a GCC extension [-Wpedantic] struct { enum e field: 2; } s; This diagnostic should not be output. -Wpedantic is supposed to generate only diagnostics required by the standard. But this diagnostic is not required by C99 or by C11, since these standards allow this GCC extension and do not require a diagnostic if the extension is used. And the diagnostic is not required by C89 since no constraint is violated. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c/57773] -Wpedantic incorrect warning for enum bit-field 2013-07-02 5:15 [Bug c/57773] New: -Wpedantic incorrect warning for enum bit-field eggert at gnu dot org @ 2013-07-05 16:43 ` mpolacek at gcc dot gnu.org 2014-01-03 14:11 ` mpolacek at gcc dot gnu.org ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: mpolacek at gcc dot gnu.org @ 2013-07-05 16:43 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57773 Marek Polacek <mpolacek at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2013-07-05 CC| |mpolacek at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> --- Yeah, I think you're right. Confirmed. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c/57773] -Wpedantic incorrect warning for enum bit-field 2013-07-02 5:15 [Bug c/57773] New: -Wpedantic incorrect warning for enum bit-field eggert at gnu dot org 2013-07-05 16:43 ` [Bug c/57773] " mpolacek at gcc dot gnu.org @ 2014-01-03 14:11 ` mpolacek at gcc dot gnu.org 2014-01-06 18:53 ` mpolacek at gcc dot gnu.org 2014-01-06 18:53 ` mpolacek at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: mpolacek at gcc dot gnu.org @ 2014-01-03 14:11 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57773 Marek Polacek <mpolacek at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |ASSIGNED Assignee|unassigned at gcc dot gnu.org |mpolacek at gcc dot gnu.org --- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> --- After all, I think it'd be wise to keep the warning for ISO C, but turn if off for C99/C11. I have a patch for that. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c/57773] -Wpedantic incorrect warning for enum bit-field 2013-07-02 5:15 [Bug c/57773] New: -Wpedantic incorrect warning for enum bit-field eggert at gnu dot org 2013-07-05 16:43 ` [Bug c/57773] " mpolacek at gcc dot gnu.org 2014-01-03 14:11 ` mpolacek at gcc dot gnu.org @ 2014-01-06 18:53 ` mpolacek at gcc dot gnu.org 2014-01-06 18:53 ` mpolacek at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: mpolacek at gcc dot gnu.org @ 2014-01-06 18:53 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57773 Marek Polacek <mpolacek at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED --- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> --- Fixed. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c/57773] -Wpedantic incorrect warning for enum bit-field 2013-07-02 5:15 [Bug c/57773] New: -Wpedantic incorrect warning for enum bit-field eggert at gnu dot org ` (2 preceding siblings ...) 2014-01-06 18:53 ` mpolacek at gcc dot gnu.org @ 2014-01-06 18:53 ` mpolacek at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: mpolacek at gcc dot gnu.org @ 2014-01-06 18:53 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57773 --- Comment #3 from Marek Polacek <mpolacek at gcc dot gnu.org> --- Author: mpolacek Date: Mon Jan 6 18:53:01 2014 New Revision: 206373 URL: http://gcc.gnu.org/viewcvs?rev=206373&root=gcc&view=rev Log: PR c/57773 * doc/implement-c.texi: Mention that other integer types are permitted as bit-field types in strictly conforming mode. c/ * c-decl.c (check_bitfield_type_and_width): Warn for implementation defined bit-field types only in ISO C. testsuite/ * gcc.dg/pr57773.c: New test. Added: trunk/gcc/testsuite/gcc.dg/pr57773.c Modified: trunk/gcc/ChangeLog trunk/gcc/c/ChangeLog trunk/gcc/c/c-decl.c trunk/gcc/doc/implement-c.texi trunk/gcc/testsuite/ChangeLog ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2014-01-06 18:53 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2013-07-02 5:15 [Bug c/57773] New: -Wpedantic incorrect warning for enum bit-field eggert at gnu dot org 2013-07-05 16:43 ` [Bug c/57773] " mpolacek at gcc dot gnu.org 2014-01-03 14:11 ` mpolacek at gcc dot gnu.org 2014-01-06 18:53 ` mpolacek at gcc dot gnu.org 2014-01-06 18:53 ` mpolacek at gcc dot gnu.org
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