[Bug middle-end/81897] [6/7 Regression] spurious -Wmaybe-uninitialized warning

2018-10-26 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81897 Jakub Jelinek changed: What|Removed |Added Target Milestone|6.5 |7.4 --- Comment #23 from Jakub Jelinek

[Bug middle-end/81897] [6/7 Regression] spurious -Wmaybe-uninitialized warning

2018-01-10 Thread aldyh at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81897 --- Comment #22 from Aldy Hernandez --- Author: aldyh Date: Wed Jan 10 21:39:20 2018 New Revision: 256456 URL: https://gcc.gnu.org/viewcvs?rev=256456=gcc=rev Log: PR middle-end/81897 * tree-ssa-uninit.c

[Bug middle-end/81897] [6/7 Regression] spurious -Wmaybe-uninitialized warning

2018-01-10 Thread law at redhat dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81897 --- Comment #21 from Jeffrey A. Law --- I'm pretty sure the testcase from c#16 is a different underlying issue and an DUP of an existing BZ. Note the ASMs. Jump threading is (overly) conservative when it encounters an ASM on the path and

[Bug middle-end/81897] [6/7 Regression] spurious -Wmaybe-uninitialized warning

2018-01-10 Thread aldyh at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81897 --- Comment #20 from Aldy Hernandez --- (In reply to Aldy Hernandez from comment #18) > (In reply to Arnd Bergmann from comment #16) > > Created attachment 43056 [details] > > linux/net/ipv6/route.c, preprocessed and compressed > > > > To test

[Bug middle-end/81897] [6/7 Regression] spurious -Wmaybe-uninitialized warning

2018-01-10 Thread aldyh at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81897 --- Comment #19 from Aldy Hernandez --- (In reply to Arnd Bergmann from comment #17) > Created attachment 43057 [details] > linux/drivers/scsi/lpfc/lpfc_bsg.c, preprocessed and compressed > > A possibly related warning I just saw this week,

[Bug middle-end/81897] [6/7 Regression] spurious -Wmaybe-uninitialized warning

2018-01-10 Thread aldyh at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81897 --- Comment #18 from Aldy Hernandez --- (In reply to Arnd Bergmann from comment #16) > Created attachment 43056 [details] > linux/net/ipv6/route.c, preprocessed and compressed > > To test the patch, I reverted the workaround that was added to

[Bug middle-end/81897] [6/7 Regression] spurious -Wmaybe-uninitialized warning

2018-01-08 Thread arnd at linaro dot org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81897 --- Comment #17 from Arnd Bergmann --- Created attachment 43057 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43057=edit linux/drivers/scsi/lpfc/lpfc_bsg.c, preprocessed and compressed A possibly related warning I just saw this week,

[Bug middle-end/81897] [6/7 Regression] spurious -Wmaybe-uninitialized warning

2018-01-08 Thread arnd at linaro dot org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81897 --- Comment #16 from Arnd Bergmann --- Created attachment 43056 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43056=edit linux/net/ipv6/route.c, preprocessed and compressed To test the patch, I reverted the workaround that was added to

[Bug middle-end/81897] [6/7 Regression] spurious -Wmaybe-uninitialized warning

2018-01-08 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81897 --- Comment #15 from Jakub Jelinek --- The problem is in the: @@ -671,11 +669,9 @@ e = one_cd_chain[j]; guard_bb = e->src; gsi = gsi_last_bb (guard_bb); - if (gsi_end_p (gsi)) - { -

[Bug middle-end/81897] [6/7 Regression] spurious -Wmaybe-uninitialized warning

2018-01-08 Thread asolokha at gmx dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81897 Arseny Solokha changed: What|Removed |Added CC||asolokha at gmx dot com --- Comment

[Bug middle-end/81897] [6/7 Regression] spurious -Wmaybe-uninitialized warning

2018-01-06 Thread law at redhat dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81897 Jeffrey A. Law changed: What|Removed |Added Summary|[6/7/8 Regression] spurious |[6/7 Regression] spurious