[tor-bugs] #25930 [Applications/Tor Browser]: Update gcc to 8.X (was: Update gcc to 7.X)

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#25930: Update gcc to 8.X
-------------------------------------------------+-------------------------
 Reporter:  cypherpunks                          |          Owner:  tbb-
                                                 |  team
     Type:  task                                 |         Status:
                                                 |  needs_review
 Priority:  Medium                               |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  tbb-rbm, TorBrowserTeam201905R,      |  Actual Points:
  GeorgKoppen201905                              |
Parent ID:  #30321                               |         Points:
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------
Changes (by gk):

 * keywords:  tbb-rbm => tbb-rbm, TorBrowserTeam201905R, GeorgKoppen201905
 * status:  new => needs_review


Comment:

 I think it's good to be conservative here and not switching to GCC 9.1
 right away. It seems using GCC 8.3.0 is a decent solution for our Tor
 Browser 9. `bug_25930_v3`(https://gitweb.torproject.org/user/gk/tor-
 browser-
 build.git/commit/?h=bug_25930_v3&id=e8bf1330d8e5e5ccc48d69d47ab424ce746c30ee)
 has the proposed fix. Note: I am leaving mingw-w64/gcc untouched for now.
 All things seem to build fine, just our spec hack for Firefox is breaking.
 But that should get fixed by mingw-w64/clang anyway, so we bump the GCC
 part for mingw-w64/gcc after we switched Firefox to mingw-w64/clang
 (#28238).

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25930#comment:7>
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