Merge version 8.3.0-29+rpi1 and 8.4.0-1 to produce 8.4.0-1+rpi1

diff --cc debian/changelog
index 93544b609693168eef8f57e7a3a8acedd0f5aa43,1be7247f30dac11ad3556bf7baaf063e5390ec6f..2e235aa12a3f6be07fe26eaec7f1d34cafac41d2
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,12 -1,22 +1,32 @@@
- gcc-8 (8.3.0-29+rpi1) bullseye-staging; urgency=medium
++gcc-8 (8.4.0-1+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>  Tue, 25 Feb 2020 04:36:41 +0000
++ -- Raspbian forward porter <root@raspbian.org>  Tue, 10 Mar 2020 20:47:53 +0000
++
+ gcc-8 (8.4.0-1) unstable; urgency=medium
+ 
+   * GCC 8.4.0 release.
+     - Fix PR target/91276 (PPC), PR tree-optimization/93820,
+       PR rtl-optimization/93908, PR tree-optimization/93767,
+       PR tree-optimization/93434, PR middle-end/92768,
+       PR tree-optimization/92420, PR middle-end/90313, PR c++/92003,
+       PR target/93658 (PPC), PR target/93568 (PPC), PR target/93828 (x86),
+       PR target/93656 (x86), PR c++/93905, PR c++/90998, PR c++/86521,
+       PR c++/90546, PR c++/86521, PR c++/89831, PR c++/88380, PR c++/87685,
+       PR c++/86747, PR c++/86429, PR c++/82643, PR c++/87327, PR c++/87748,
+       PR c++/87480, PR c++/88394, PR c++/87770, PR c++/92745, PR c++/89917,
+       PR c++/90951, PR c++/93140, PR c++/92852, PR fortran/93714,
+       PR libstdc++/93205, PR libstdc++/92886, PR libstdc++/93325,
+       PR libstdc++/93562, PR libstdc++/92376, PR libstdc++/78552,
+       PR libstdc++/91947, PR libstdc++/81091, PR libstdc++/91947,
+       PR other/93965, PR target/91276 (PPC).
+ 
+  -- Matthias Klose <doko@debian.org>  Wed, 04 Mar 2020 11:14:02 +0100
  
  gcc-8 (8.3.0-29) unstable; urgency=medium
  

diff --cc debian/rules.defs
Simple merge

diff --cc debian/rules.patch
Simple merge