Merge version 9.3.0-19+rpi1 and 9.3.0-20 to produce 9.3.0-20+rpi1

diff --cc debian/changelog
index bf8566843a97a5207de19d2fac9557fece26a5d0,3e5d9138f38805bb38ce2acfb703421564676ad4..f6c2631d0ae28c065f83812f96128b927241bc65
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,15 -1,18 +1,31 @@@
- gcc-9 (9.3.0-19+rpi1) bullseye-staging; urgency=medium
++gcc-9 (9.3.0-20+rpi1) bullseye-staging; urgency=medium
 +
 +  [changes brought forward from gcc-8 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 gcc-8 8.2.0-16+rpi1 by Peter Michael Green]
 +  * Disable testsuite (build seems to hang after testsuite completes).
 +
 +  [changes introduced in gcc-9 9.1.0-10+rpi1 by Peter Michael Green]
 +  * Update symbols file for raspbian.
 +
-  -- Raspbian forward porter <root@raspbian.org>  Tue, 01 Dec 2020 22:34:06 +0000
++ -- Raspbian forward porter <root@raspbian.org>  Wed, 20 Jan 2021 03:53:43 +0000
++
+ gcc-9 (9.3.0-20) unstable; urgency=medium
+ 
+   * Update to git 20210110 from the gcc-9 branch.
+     - Fix PR testsuite/90806, PR target/96793 (x86), PR target/96793 (x86),
+       PR rtl-optimization/97421, PR target/96793 (x86), PR target/98086 (x86),
+       PR tree-optimization/96075, PR middle-end/96369, PR middle-end/97554,
+       PR tree-optimization/97812, PR tree-optimization/97255,
+       PR tree-optimization/97081, PR tree-optimization/96579,
+       PR tree-optimization/96370, PR tree-optimization/96514, 
+       PR target/97939 (SPARC), PR target/96607 (SPARC), PR ada/98230,
+       PR d/98277, PR fortran/96325, PR fortran/83118, PR fortran/96012,
+       PR fortran/92587, PR fortran/96320, PR fortran/94246, PR fortran/96100,
+       PR fortran/96101, PR fortran/98307, PR fortran/95342, PR libstdc++/98001.
+ 
+  -- Matthias Klose <doko@debian.org>  Sun, 10 Jan 2021 21:39:37 +0100
  
  gcc-9 (9.3.0-19) unstable; urgency=medium