Bug#778514: gcc-5: Wformat broken

[Shawn Landden <shawn@churchofgit.com>]

Package: gcc-5
Version: 5-20150205-1
Severity: important
Tags: upstream patch

-Wformat is broken, fixed upstream

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65040

This makes compiling most things really noisy, and those that use -Werror fail
-- System Information:
Debian Release: 8.0
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386, armhf

Kernel: Linux 3.19.0-05375-gd347efe (SMP w/2 CPU cores; PREEMPT)
Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages gcc-5 depends on:
ii  binutils      2.25-4
ii  cpp-5         5-20150205-1
ii  gcc-5-base    5-20150205-1
ii  libc6         2.19-15
ii  libcc1-0      5-20150205-1
ii  libgcc-5-dev  5-20150205-1
ii  libgmp10      2:6.0.0+dfsg-6
ii  libisl10      0.12.2-2
ii  libmpc3       1.0.2-2
ii  libmpfr4      3.1.2-3
ii  zlib1g        1:1.2.8.dfsg-2+b1

Versions of packages gcc-5 recommends:
ii  libc6-dev  2.19-15

Versions of packages gcc-5 suggests:
pn  gcc-5-doc         <none>
pn  gcc-5-locales     <none>
pn  gcc-5-multilib    <none>
pn  libasan2-dbg      <none>
pn  libatomic1-dbg    <none>
pn  libcilkrts5-dbg   <none>
pn  libgcc1-dbg       <none>
pn  libgomp1-dbg      <none>
pn  libitm1-dbg       <none>
pn  liblsan0-dbg      <none>
pn  libquadmath0-dbg  <none>
pn  libtsan0-dbg      <none>
pn  libubsan0-dbg     <none>

-- no debconf information