On Thu, 27 Nov 2014, Thomas Preud'homme wrote: > Thanks. Ccing release manager for their opinion.
It doesn't look ARM specific and frankly I have not too much expertise in this area. The patch has been on trunk for more than two months though so I guess it is ok to backport. Richard. > Best regards, > > Thomas > > > -----Original Message----- > > From: Jonathan Wakely [mailto:jwak...@redhat.com] > > Sent: Wednesday, November 26, 2014 5:33 PM > > To: Thomas Preud'homme > > Cc: Tony Wang; gcc-patches@gcc.gnu.org; d...@debian.org; aph- > > g...@littlepinkcloud.com; Richard Earnshaw; Ramana Radhakrishnan; > > libstd...@gcc.gnu.org > > Subject: Re: [Patch, ARM, ping1] Fix PR target/56846 > > > > On 26/11/14 17:23 -0000, Thomas Preud'homme wrote: > > >Ping? > > > > I'm OK with backporting it if a release manager approves it. > > > > > > >> -----Original Message----- > > >> From: gcc-patches-ow...@gcc.gnu.org [mailto:gcc-patches- > > >> ow...@gcc.gnu.org] On Behalf Of Thomas Preud'homme > > >> Sent: Wednesday, November 19, 2014 6:00 PM > > >> To: Tony Wang; gcc-patches@gcc.gnu.org; d...@debian.org; aph- > > >> g...@littlepinkcloud.com; Richard Earnshaw; Ramana Radhakrishnan; > > >> libstd...@gcc.gnu.org > > >> Subject: RE: [Patch ARM] Fix PR target/56846 > > >> > > >> > From: gcc-patches-ow...@gcc.gnu.org [mailto:gcc-patches- > > >> > ow...@gcc.gnu.org] On Behalf Of Tony Wang > > >> > > > >> > > >> > > > >> > Hi all, > > >> > > > >> > The bug is reported at > > >> > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56846, and it’s about > > the > > >> > problem that > > >> > when exception handler is involved in the function, then > > >> > _Unwind_Backtrace function will run into deadloop on > > >> > arm target. > > >> > > >> The patch (in r215101) can be backported without any change on 4.8 > > and > > >> 4.9 branches. I checked in QEMU with and without the patch on both > > >> branches and it indeed solves the problem. > > >> > > >> Testsuite run without regression when compiled with arm-none-eabi > > >> cross compiler and executed on QEMU emulating Cortex-M3. > > >> > > >> I also bootstrapped gcc on x86_64-linux-gnu and run the testsuite > > >> without > > >> regressions. > > >> > > >> Is it ok for backport? > > >> > > >> Best regards, > > >> > > >> Thomas > > >> > > >> > > >> > > >> > > > > > > > > > > > > > > > > > -- Richard Biener <rguent...@suse.de> SUSE LINUX GmbH, GF: Jeff Hawn, Jennifer Guild, Felix Imendoerffer, HRB 21284 (AG Nuernberg) Maxfeldstrasse 5, 90409 Nuernberg, Germany
