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Re: [PATCH] Do not instrument void variables with MPX (PR tree-opt/79987).
- From: Ilya Enkovich <enkovich dot gnu at gmail dot com>
- To: Martin Liška <mliska at suse dot cz>
- Cc: gcc-patches <gcc-patches at gcc dot gnu dot org>, Alexander Ivchenko <aivchenk at gmail dot com>
- Date: Fri, 11 Aug 2017 02:51:19 +0300
- Subject: Re: [PATCH] Do not instrument void variables with MPX (PR tree-opt/79987).
- Authentication-results: sourceware.org; auth=none
- References: <45d4e8de-eea8-7c8c-5fec-0eca629c7738@suse.cz>
2017-08-10 10:40 GMT+03:00 Martin Liška <mliska@suse.cz>:
> Hello.
>
> In order to prevent the ICE, CHKP should not isntrument variables of void type.
Hi,
There was another thread for this PR where I proposed a way to handle such vars
via size relocations. But there was no feedback in that thread for two
months and
skipping void var is better than ICE. The patch is OK then.
Thanks,
Ilya
>
> Patch can bootstrap on ppc64le-redhat-linux and survives regression tests.
>
> Ready to be installed?
> Martin
>
> gcc/ChangeLog:
>
> 2017-08-09 Martin Liska <mliska@suse.cz>
>
> PR tree-opt/79987
> * tree-chkp.c (chkp_get_bounds_for_decl_addr): Do not instrument
> variables of void type.
>
> gcc/testsuite/ChangeLog:
>
> 2017-08-09 Martin Liska <mliska@suse.cz>
>
> PR tree-opt/79987
> * gcc.target/i386/mpx/pr79987.c: New test.
> ---
> gcc/testsuite/gcc.target/i386/mpx/pr79987.c | 5 +++++
> gcc/tree-chkp.c | 3 +++
> 2 files changed, 8 insertions(+)
> create mode 100644 gcc/testsuite/gcc.target/i386/mpx/pr79987.c
>
>