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Re: [PATCH] s390: Add emit_barrier() after trap.
- From: Andreas Krebbel <krebbel at linux dot vnet dot ibm dot com>
- To: gcc-patches at gcc dot gnu dot org, Ulrich Weigand <Ulrich dot Weigand at de dot ibm dot com>
- Date: Thu, 27 Aug 2015 09:51:45 +0200
- Subject: Re: [PATCH] s390: Add emit_barrier() after trap.
- Authentication-results: sourceware.org; auth=none
- References: <20150826140316 dot GA12533 at linux dot vnet dot ibm dot com>
On 08/26/2015 04:03 PM, Dominik Vogt wrote:
> This patch fixes an ICE on S390 when a trap is generated because
> the given -mstack-size is to small. A barrier was missing after
> the trap, so on higher optimization levels a NULL pointer fron an
> uninitialized basic block was used. The patch also contains a
> test case.
Applied with minor changes to the testcase.
Thanks!
-Andreas-