Your message dated Sat, 8 May 2021 11:35:27 +0200
with message-id <479b3995-4445-edc2-53b3-a17139c68...@debian.org>
and subject line fixed upstream in 2017
has caused the Debian Bug report #826555,
regarding gcc-snapshot regression: -Warray-bounds false positive with -O2
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
826555: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=826555
Debian Bug Tracking System
Contact ow...@bugs.debian.org with problems
--- Begin Message ---
Package: gcc-snapshot
Version: 20160603-1
Severity: important
Tags: upstream
Forwarded: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71433

When compiling GNU MPFR 3.1.4 with CFLAGS="-O2 -Werror=array-bounds" and

gcc (Debian 20160603-1) 7.0.0 20160603 (experimental) [trunk revision 237077]

I get:

get_d.c: In function 'mpfr_get_d':
get_d.c:115:24: error: array subscript is above array bounds 
[-Werror=array-bounds]
             d = (d + tp[i]) / MP_BASE_AS_DOUBLE;
                      ~~^~~

There was no such problem with

gcc (Debian 20160508-1) 7.0.0 20160508 (experimental) [trunk revision 236009]

so that's a recent regression.

I've also reported the bug upstream.

-- System Information:
Debian Release: stretch/sid
  APT prefers unstable-debug
  APT policy: (500, 'unstable-debug'), (500, 'stable-updates'), (500, 
'unstable'), (500, 'testing'), (500, 'stable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.5.0-2-amd64 (SMP w/12 CPU cores)
Locale: LANG=POSIX, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages gcc-snapshot depends on:
ii  binutils             2.26-10
ii  libasound2           1.1.0-1
ii  libatk1.0-0          2.20.0-1
ii  libc6                2.22-10
ii  libc6-dev            2.22-10
ii  libc6-dev-i386       2.22-10
ii  libc6-dev-x32        2.22-10
ii  libc6-i386           2.22-10
ii  libc6-x32            2.22-10
ii  libcairo2            1.14.6-1+b1
ii  libecj-java          3.10.1-2
ii  libfontconfig1       2.11.0-6.4
ii  libfreetype6         2.6.3-3+b1
ii  libgdk-pixbuf2.0-0   2.34.0-1
ii  libglib2.0-0         2.48.1-1
ii  libgmp10             2:6.1.0+dfsg-2
ii  libgtk2.0-0          2.24.30-2
ii  libice6              2:1.0.9-1+b1
ii  libisl15             0.17.1-1
ii  libmpc3              1.0.3-1
ii  libmpfr4             3.1.4-2
ii  libpango-1.0-0       1.40.1-1
ii  libpangocairo-1.0-0  1.40.1-1
ii  libpangoft2-1.0-0    1.40.1-1
ii  libsm6               2:1.2.2-1+b1
ii  libxrandr2           2:1.5.0-1
ii  libxrender1          1:0.9.9-2
ii  libxtst6             2:1.2.2-1+b1
ii  python               2.7.11-2
ii  zlib1g               1:1.2.8.dfsg-2+b1

gcc-snapshot recommends no packages.

Versions of packages gcc-snapshot suggests:
ii  binutils [binutils-gold]  2.26-10

-- no debconf information

--- End Message ---
--- Begin Message ---
fixed upstream in 2017

--- End Message ---

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