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* [Bug objc/47682] New: unused-but-set-variabled warning when using fast enumeration @ 2011-02-10 17:04 jos at kuijpersvof dot nl 2011-02-10 18:28 ` [Bug objc/47682] " pinskia at gcc dot gnu.org ` (2 more replies) 0 siblings, 3 replies; 4+ messages in thread From: jos at kuijpersvof dot nl @ 2011-02-10 17:04 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47682 Summary: unused-but-set-variabled warning when using fast enumeration Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: objc AssignedTo: unassigned@gcc.gnu.org ReportedBy: jos@kuijpersvof.nl When setting a variable and enumerating through it using fast enumeration, the compiler does not see it as usage of the variable. Using -Wall gives a warning: $ objfw-compile -Wall -o fetest fetest.m fetest.m: In function â-[test applicationDidFinishLaunching]â: fetest.m:11:11: warning: variable âarrâ set but not used [-Wunused-but-set-variable] $ ./fetest [2011-02-10 17:43:35.021 fetest(22073)] Item: Foo [2011-02-10 17:43:35.022 fetest(22073)] Item: Bar $ cat fetest.m #import <ObjFW/ObjFW.h> @interface test : OFObject @end OF_APPLICATION_DELEGATE(test) @implementation test - (void)applicationDidFinishLaunching { OFArray *arr; arr = [OFArray arrayWithObjects:@"Foo",@"Bar",nil]; for(OFString *str in arr) { of_log(@"Item: %@",str); } } @end $ gcc-4.6 -v Using built-in specs. COLLECT_GCC=gcc-4.6 COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: ./configure --disable-multilib --program-suffix=-4.6 --prefix=/usr/local/ --enable-languages=c,c++,objc,obj-c++ --enable-threads Thread model: posix gcc version 4.6.0 20101219 (experimental) (GCC) ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug objc/47682] unused-but-set-variabled warning when using fast enumeration 2011-02-10 17:04 [Bug objc/47682] New: unused-but-set-variabled warning when using fast enumeration jos at kuijpersvof dot nl @ 2011-02-10 18:28 ` pinskia at gcc dot gnu.org 2011-02-10 19:28 ` nicola at gcc dot gnu.org 2011-05-24 12:42 ` nicola at gcc dot gnu.org 2 siblings, 0 replies; 4+ messages in thread From: pinskia at gcc dot gnu.org @ 2011-02-10 18:28 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47682 --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-02-10 18:27:03 UTC --- This was supposed to be fixed by http://gcc.gnu.org/ml/gcc-cvs/2010-12/msg00199.html . ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug objc/47682] unused-but-set-variabled warning when using fast enumeration 2011-02-10 17:04 [Bug objc/47682] New: unused-but-set-variabled warning when using fast enumeration jos at kuijpersvof dot nl 2011-02-10 18:28 ` [Bug objc/47682] " pinskia at gcc dot gnu.org @ 2011-02-10 19:28 ` nicola at gcc dot gnu.org 2011-05-24 12:42 ` nicola at gcc dot gnu.org 2 siblings, 0 replies; 4+ messages in thread From: nicola at gcc dot gnu.org @ 2011-02-10 19:28 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47682 Nicola Pero <nicola at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |WAITING Last reconfirmed| |2011.02.10 19:24:33 CC| |nicola at gcc dot gnu.org Ever Confirmed|0 |1 --- Comment #2 from Nicola Pero <nicola at gcc dot gnu.org> 2011-02-10 19:24:33 UTC --- Yes, this is supposed to have been fixed, even if not by me ;-) It was Iain who fixed it -- http://gcc.gnu.org/ml/gcc-cvs/2011-01/msg00219.html I see that Jos is using "gcc version 4.6.0 20101219 (experimental) (GCC)", which I'd expect wouldn't include the fix. I asked him (offline) if he could try again with a newer compiler. It works for me with GNUstep and GCC 4.6 trunk. Thanks ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug objc/47682] unused-but-set-variabled warning when using fast enumeration 2011-02-10 17:04 [Bug objc/47682] New: unused-but-set-variabled warning when using fast enumeration jos at kuijpersvof dot nl 2011-02-10 18:28 ` [Bug objc/47682] " pinskia at gcc dot gnu.org 2011-02-10 19:28 ` nicola at gcc dot gnu.org @ 2011-05-24 12:42 ` nicola at gcc dot gnu.org 2 siblings, 0 replies; 4+ messages in thread From: nicola at gcc dot gnu.org @ 2011-05-24 12:42 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47682 Nicola Pero <nicola at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|WAITING |RESOLVED Resolution| |FIXED --- Comment #3 from Nicola Pero <nicola at gcc dot gnu.org> 2011-05-24 11:56:54 UTC --- 3 months have passed with no reply; assuming resolved. It certainly works for me. :-) Thanks ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2011-05-24 12:12 UTC | newest] Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2011-02-10 17:04 [Bug objc/47682] New: unused-but-set-variabled warning when using fast enumeration jos at kuijpersvof dot nl 2011-02-10 18:28 ` [Bug objc/47682] " pinskia at gcc dot gnu.org 2011-02-10 19:28 ` nicola at gcc dot gnu.org 2011-05-24 12:42 ` nicola at gcc dot gnu.org
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