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RE: [PATCH][ARM] Fix PR 56809


> -----Original Message-----
> From: Ramana Radhakrishnan
> Sent: 03 April 2013 16:16
> To: Kyrylo Tkachov
> Cc: GCC Patches
> Subject: Re: [PATCH][ARM] Fix PR 56809
> 
> On 04/03/13 16:07, Kyrylo Tkachov wrote:
> > Hi all,
> >
> > This patch fixes an ICE that we encounter when building gcc on arm
> targets.
> > The jump table reorganisation exposed a bug in the backend.
> > This fixes it
> > by using next_active_insn instead of next_real_insn when looking for
> the
> > diff vector in the jump table handling code. (Thanks to Steven
> Bosscher for
> > the tip).
> >
> > A separate aarch64 patch is coming soon separately.
> >
> > Tested arm-none-eabi on qemu and confirmed that the build for
> > arm-none-linux-gnueabi is fixed.
> > Since the PR affects both arm and aarch64 I put a testcase into
> gcc.dg.
> >
> > Ok for trunk?
> 
> Ok for trunk.

Given that this fixes a latent bug, is it ok to backport to 4.8 and 4.7?

Tested the patch on those branches with no regressions on arm-none-eabi.

Thanks,
Kyrill

> 
> regards
> Ramana





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