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Re: libffi trunk: new regressions on x86_64-linux-gnu, some test failures left on i686-linux-gnu

From: "H.J. Lu" <hjl dot tools at gmail dot com>
To: Matthias Klose <doko at debian dot org>
Cc: "libffi-discuss at sourceware dot org" <libffi-discuss at sourceware dot org>
Date: Sat, 5 May 2018 06:52:48 -0700
Subject: Re: libffi trunk: new regressions on x86_64-linux-gnu, some test failures left on i686-linux-gnu
References: <ee7a874b-d45e-baf4-0d0d-2a40ad1fa1f4@debian.org>
On Sat, May 5, 2018 at 6:39 AM, Matthias Klose <doko@debian.org> wrote:
> https://buildd.debian.org/status/package.php?p=libffi&suite=experimental
>
> trunk libffi testing from 2018-05-02, up to d3c54cf3a2b2bb2e889173b6a0a959517b42c47f
>
> shows
>
>  - passing all tests on powerpc64-linux-gnu
>
>  - some regressions on x86_64-linux
>
> Running ../../testsuite/libffi.bhaible/bhaible.exp ...
> FAIL: libffi.bhaible/test-call.c -W -Wall -Wno-psabi -DDGTEST=55
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -O0 -DABI_NUM=FFI_WIN64 -DABI_ATTR=__MSABI__ execution test
> FAIL: libffi.bhaible/test-call.c -W -Wall -Wno-psabi -DDGTEST=55
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -O2 -DABI_NUM=FFI_WIN64 -DABI_ATTR=__MSABI__ execution test
> FAIL: libffi.bhaible/test-call.c -W -Wall -Wno-psabi -DDGTEST=55
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -Os -DABI_NUM=FFI_WIN64 -DABI_ATTR=__MSABI__ execution test
> FAIL: libffi.bhaible/test-call.c -W -Wall -Wno-psabi -DDGTEST=55
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -O2 -fomit-frame-pointer -DABI_NUM=FFI_WIN64
> -DABI_ATTR=__MSABI__ execution test
> FAIL: libffi.bhaible/test-call.c -W -Wall -Wno-psabi -DDGTEST=56
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -O0 -DABI_NUM=FFI_WIN64 -DABI_ATTR=__MSABI__ execution test
> FAIL: libffi.bhaible/test-call.c -W -Wall -Wno-psabi -DDGTEST=56
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -O2 -DABI_NUM=FFI_WIN64 -DABI_ATTR=__MSABI__ execution test
> FAIL: libffi.bhaible/test-call.c -W -Wall -Wno-psabi -DDGTEST=56
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -Os -DABI_NUM=FFI_WIN64 -DABI_ATTR=__MSABI__ execution test
> FAIL: libffi.bhaible/test-call.c -W -Wall -Wno-psabi -DDGTEST=56
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -O2 -fomit-frame-pointer -DABI_NUM=FFI_WIN64
> -DABI_ATTR=__MSABI__ execution test
> FAIL: libffi.bhaible/test-call.c -W -Wall -Wno-psabi -DDGTEST=57
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -O0 -DABI_NUM=FFI_WIN64 -DABI_ATTR=__MSABI__ execution test
> FAIL: libffi.bhaible/test-call.c -W -Wall -Wno-psabi -DDGTEST=57
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -O2 -DABI_NUM=FFI_WIN64 -DABI_ATTR=__MSABI__ execution test
> FAIL: libffi.bhaible/test-call.c -W -Wall -Wno-psabi -DDGTEST=57
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -Os -DABI_NUM=FFI_WIN64 -DABI_ATTR=__MSABI__ execution test
> FAIL: libffi.bhaible/test-call.c -W -Wall -Wno-psabi -DDGTEST=57
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -O2 -fomit-frame-pointer -DABI_NUM=FFI_WIN64
> -DABI_ATTR=__MSABI__ execution test
> FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=54
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -O0 -DABI_NUM=FFI_WIN64 -DABI_ATTR=__MSABI__ execution test
> FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=54
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -O2 -DABI_NUM=FFI_WIN64 -DABI_ATTR=__MSABI__ execution test
> FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=54
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -Os -DABI_NUM=FFI_WIN64 -DABI_ATTR=__MSABI__ execution test
> FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=54
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -O2 -fomit-frame-pointer -DABI_NUM=FFI_WIN64
> -DABI_ATTR=__MSABI__ execution test
> FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=55
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -O0 -DABI_NUM=FFI_WIN64 -DABI_ATTR=__MSABI__ execution test
> FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=55
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -O2 -DABI_NUM=FFI_WIN64 -DABI_ATTR=__MSABI__ execution test
> FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=55
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -Os -DABI_NUM=FFI_WIN64 -DABI_ATTR=__MSABI__ execution test
> FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=55
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -O2 -fomit-frame-pointer -DABI_NUM=FFI_WIN64
> -DABI_ATTR=__MSABI__ execution test
> FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=56
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -O0 -DABI_NUM=FFI_WIN64 -DABI_ATTR=__MSABI__ execution test
> FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=56
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -O2 -DABI_NUM=FFI_WIN64 -DABI_ATTR=__MSABI__ execution test
> FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=56
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -Os -DABI_NUM=FFI_WIN64 -DABI_ATTR=__MSABI__ execution test
> FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=56
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -O2 -fomit-frame-pointer -DABI_NUM=FFI_WIN64
> -DABI_ATTR=__MSABI__ execution test
>

I also saw these.

>  - improved results on i686-linux-gnu
>
> Running ../../testsuite/libffi.bhaible/bhaible.exp ...
> FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=46
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -Os -DABI_NUM=FFI_STDCALL -DABI_ATTR=__STDCALL__ execution test
> FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=48
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -Os -DABI_NUM=FFI_STDCALL -DABI_ATTR=__STDCALL__ execution test
> FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=49
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -Os -DABI_NUM=FFI_STDCALL -DABI_ATTR=__STDCALL__ execution test
> FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=51
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -Os -DABI_NUM=FFI_STDCALL -DABI_ATTR=__STDCALL__ execution test
> FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=53
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -O2 -DABI_NUM=FFI_STDCALL -DABI_ATTR=__STDCALL__ execution test
> FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=53
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -Os -DABI_NUM=FFI_STDCALL -DABI_ATTR=__STDCALL__ execution test
> FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=53
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -O2 -fomit-frame-pointer -DABI_NUM=FFI_STDCALL
> -DABI_ATTR=__STDCALL__ execution test
> FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=60
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -O2 -DABI_NUM=FFI_STDCALL -DABI_ATTR=__STDCALL__ execution test
> FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=60
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -O2 -fomit-frame-pointer -DABI_NUM=FFI_STDCALL
> -DABI_ATTR=__STDCALL__ execution test
> FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=61
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -Os -DABI_NUM=FFI_STDCALL -DABI_ATTR=__STDCALL__ execution test
> FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=64
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -O2 -DABI_NUM=FFI_STDCALL -DABI_ATTR=__STDCALL__ execution test
> FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=64
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -O2 -fomit-frame-pointer -DABI_NUM=FFI_STDCALL
> -DABI_ATTR=__STDCALL__ execution test
> FAIL: libffi.bhaible/test-callback.c -W -Wall -Wno-psabi -DDGTEST=65
> -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable
> -Wno-uninitialized -Os -DABI_NUM=FFI_STDCALL -DABI_ATTR=__STDCALL__ execution test

They all pass for me on Fedora 27.

-- 
H.J.
References:
- libffi trunk: new regressions on x86_64-linux-gnu, some test failures left on i686-linux-gnu
  - From: Matthias Klose
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