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Re: [PATCH v2 2/2] Sync libiberty with gcc upstream
- From: Iain Buclaw <ibuclaw at gdcproject dot org>
- To: Pedro Alves <palves at redhat dot com>
- Cc: gdb-patches at sourceware dot org
- Date: Mon, 29 Jun 2015 18:26:29 +0200
- Subject: Re: [PATCH v2 2/2] Sync libiberty with gcc upstream
- Authentication-results: sourceware.org; auth=none
- References: <CABOHX+eBCz2o0oaTmcUjgRgswhvues4H1exnPPGvGyJQTPV+cw at mail dot gmail dot com> <55916944 dot 1010500 at redhat dot com>
On 29 June 2015 at 17:50, Pedro Alves <palves@redhat.com> wrote:
> On 06/19/2015 04:24 PM, Iain Buclaw wrote:
>> Second downstream patch with dlang demangling related changes only.
>> Should be a more straightforward read than the other one.
>
> Hi Iain, seems like this unfortunately caused regressions in
> gdb.dlang/demangle.exp. See replies to:
>
> https://sourceware.org/ml/gdb-testers/2015-q2/msg07341.html
>
> I see the same here, e.g., on x86_64 F20:
>
> -PASS: gdb.dlang/demangle.exp: _D8demangle4test6__postblitMFZv
> +FAIL: gdb.dlang/demangle.exp: _D8demangle4test6__postblitMFZv
>
> gdb.log shows:
>
> demangle.test.~this()
> (gdb) PASS: gdb.dlang/demangle.exp: _D8demangle4test6__dtorMFZv
> demangle _D8demangle4test6__postblitMFZv
> Can't demangle "_D8demangle4test6__postblitMFZv"
> (gdb) FAIL: gdb.dlang/demangle.exp: _D8demangle4test6__postblitMFZv
> demangle _D8demangle4testFHAbaZv
>
Interesting, I don't understand where these tests come from.
---
PASS -> FAIL: gdb.dlang/demangle.exp:
_D2rt6dmain211_d_run_mainUiPPaPUAAaZiZi7tryExecMFMDFZvZv
PASS -> FAIL: gdb.dlang/demangle.exp: _D8demangle3fnAFZv3fnBMFZv
PASS -> FAIL: gdb.dlang/demangle.exp: _D8demangle4mainFZv1S3fnCFZv
PASS -> FAIL: gdb.dlang/demangle.exp: _D8demangle4mainFZv1S3fnDMFZv
PASS -> FAIL: gdb.dlang/demangle.exp: _D8demangle4mainFZv5localMFZi
PASS -> FAIL: gdb.dlang/demangle.exp: _D8demangle4test6__postblitMFZv
---
All of these *should* fail, and they have been updated to their
correct mangled symbols in libiberty.
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=commitdiff;h=f91ca6bc00c1e3c70c1d2f4527d4297b76e2eaca#patch18