[Bug web/64968] Upgrade GCC Bugzilla to 5.0

["LpSolit at netscape dot net" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64968

--- Comment #9 from Frédéric Buclin <LpSolit at netscape dot net> ---
Created attachment 35354
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35354&action=edit
GCC extension for 5.0, v2

And the corresponding new extension.
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From: "trippels at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c++/65801] [5/6 Regression] Allow -Wno-narrowing to silence stricter C++11 narrowing rules
Date: Sat, 18 Apr 2015 18:47:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65801

Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2015-04-18
                 CC|                            |trippels at gcc dot gnu.org
            Summary|Allow -Wno-narrowing to     |[5/6 Regression] Allow
                   |silence stricter C++11      |-Wno-narrowing to silence
                   |narrowing rules             |stricter C++11 narrowing
                   |                            |rules
     Ever confirmed|0                           |1

--- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
Yes. This also breaks building Chromium.

markus@x4 ~ % echo "int main () {int i = { 0xFFFFFFFF };}" | g++ -std=c++11
-Wno-narrowing -x c++ -
<stdin>: In function ‘int main()’:
<stdin>:1:35: error: narrowing conversion of ‘4294967295u’ from ‘unsigned int’
to ‘int’ inside { }

While the standard is clear that this is an error,
accepting -Wno-narrowing as in 4.8, 4.9 and clang looks acceptable to me.
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Subject: [Bug tree-optimization/65802] [6 Regression] ICE in redirect_eh_edge_1, at tree-eh.c:2335
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https://gcc.gnu.org/bugzilla/show_bug.cgi?ide802

Dmitry G. Dyachenko <dimhen at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |tom at codesourcery dot com

--- Comment #1 from Dmitry G. Dyachenko <dimhen at gmail dot com> ---
r222168 PASS
r222174 FAIL