Merge version 8.4.0-5+rpi1 and 8.4.0-6 to produce 8.4.0-6+rpi1

diff --cc debian/changelog
index 23d452bf3f94523bad72941b424fb846bdcf1893,27e17ce56a9d2f2ded4f11cae6ea18af03ab22cc..2550bfedf98892045c09c274770d084bdc58f3a8
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,12 -1,14 +1,24 @@@
- gcc-8 (8.4.0-5+rpi1) bullseye-staging; urgency=medium
++gcc-8 (8.4.0-6+rpi1) bullseye-staging; urgency=medium
 +
 +  [changes brought forward from 8-20180207-2+rpi1 by Peter Michael Green <plugwash@raspbian.org> at Sat, 17 Feb 2018 00:20:23 +0000]
 +  * Don't pass -march=armv7+fp to compiler when building libatomic.
 +
 +  [changes introduced in 8.2.0-16+rpi1 by Peter Michael Green]
 +  * Disable testsuite (build seems to hang after testsuite completes).
 +
-  -- Raspbian forward porter <root@raspbian.org>  Mon, 30 Nov 2020 09:40:53 +0000
++ -- Raspbian forward porter <root@raspbian.org>  Fri, 15 Jan 2021 10:09:19 +0000
++
+ gcc-8 (8.4.0-6) unstable; urgency=medium
+ 
+   * Update to git 20210111 from the gcc-8 branch.
+     - Fix PR libstdc++/65480, PR libstdc++/68735, PR target/96793 (x86),
+       PR target/96793 (x86), PR rtl-optimization/97421, PR target/96793 (x86),
+       PR ipa/94947, PR ipa/94947, PR middle-end/94964, PR middle-end/97554,
+       PR tree-optimization/95133, PR target/91816 (ARM), PR c++/91953,
+       PR target/94891 (AArch64), PR target/94791 (AArch64), PR ada/98230,
+       PR fortran/98307.
+ 
+  -- Matthias Klose <doko@debian.org>  Mon, 11 Jan 2021 22:11:18 +0100
  
  gcc-8 (8.4.0-5) unstable; urgency=medium