From: Eric Botcazou <ebotcazou@adacore.com>
To: gcc-patches@gcc.gnu.org
Subject: Re: Minor tweak to df_note_bb_compute
Date: Wed, 29 Jun 2016 15:31:00 -0000 [thread overview]
Message-ID: <6466491.DAspCYWV8c@polaris> (raw)
In-Reply-To: <1678560.lAuVldTIhy@polaris>
> This simply prevents valgrind from complaining about an invalid read when
> pass_free_cfg::execute calls df_analyze for targets with delay slots,
> because var_location instructions are present in the RTL stream at this
> point.
>
> Tested on x86_64-suse-linux, applied on the mainline as obvious.
>
>
> 2016-06-09 Eric Botcazou <ebotcazou@adacore.com>
>
> * df-problems.c (df_note_bb_compute): Guard use of DF_INSN_INFO_GET.
I have backported it onto the 6 branch because we got segfaults for a cross-
compiler hosted on Windows triggered by the invalid read.
--
Eric Botcazou
prev parent reply other threads:[~2016-06-29 15:15 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-09 21:51 Eric Botcazou
2016-06-29 15:31 ` Eric Botcazou [this message]
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