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Re: lib/38482: C compiler can generate non-restartable code within a RAS

To: gnats-bugs%NetBSD.org@localhost
Subject: Re: lib/38482: C compiler can generate non-restartable code within a RAS
From: Alan Barrett <apb%cequrux.com@localhost>
Date: Tue, 22 Apr 2008 11:08:29 +0200

On Mon, 21 Apr 2008, scw%NetBSD.org@localhost wrote:
> I've recently noticed occasional SEGVs with threaded programs on ARM.
> This turns out to be caused by dereferencing a bad pointer value in the
> code between the RAS_START and RAS_END in
> common/lib/libc/atomic/atomic_init_testset.c:_atomic_cas_up().

Does it help to declare "volatile uint32_t ret;" ?

--apb (Alan Barrett)

References:
- lib/38482: C compiler can generate non-restartable code within a RAS
  - From: scw

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