Merge version 9.3.0-8+rpi1 and 9.3.0-10 to produce 9.3.0-10+rpi1

diff --cc debian/changelog
index 6e016daa3f96b9e83d3a7372607f8b94e1b3ea60,998df2babf9ccd81189a919d5f5a8e6ce6f8d4da..a917d40f9ecf31cda38e15e793932e4284381e27
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,15 -1,33 +1,46 @@@
- gcc-9 (9.3.0-8+rpi1) bullseye-staging; urgency=medium
++gcc-9 (9.3.0-10+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>  Mon, 30 Mar 2020 05:03:52 +0000
++ -- Raspbian forward porter <root@raspbian.org>  Fri, 10 Apr 2020 03:43:58 +0000
++
+ gcc-9 (9.3.0-10) unstable; urgency=medium
+ 
+   * Update to git 20200404 from the gcc-9 branch.
+     - PR tree-optimization/93435, PR tree-optimization/94103, PR fortran/85982,
+       PR ipa/94445, PR middle-end/94206, PR c++/91966, PR libstdc++/93960.
+ 
+   [ Nicolas Boulenguez ]
+   * Fix #954681 but preserve checksums in libgnat .ali files.
+ 
+  -- Matthias Klose <doko@debian.org>  Sat, 04 Apr 2020 13:03:14 +0200
+ 
+ gcc-9 (9.3.0-9) unstable; urgency=medium
+ 
+   * Update to git 20200402 from the gcc-9 branch.
+     - Fix PR lto/94249, PR target/94052 (AArch64), PR c++/84733,
+       PR fortran/94348, PR fortran/93484, PR target/94435 (AArch64),
+       PR target/94368 (AArch64), PR target/92692 (AArch64),
+       PR target/93819 (PPC), PR target/87583 (PPC), PR c++/90711,
+       PR fortran/93498, PR fortran/94030, PR target/91833 (AArch64),
+       PR target/91834 (AArch64).
+ 
+   [ Matthias Klose ]
+   * Update libstdc++6 symbols file for armel. Addresses: #954954.
+   * Fix PR target/94368 (AArch64), proposed patch.
+ 
+   [ Nicolas Boulenguez ]
+   * ada-lib-info-source-date-epoch.diff: handle Invalid_Time. Closes: #954681.
+   * Remove some dependencies older than oldoldstable.
+ 
+  -- Matthias Klose <doko@debian.org>  Thu, 02 Apr 2020 15:56:03 +0200
  
  gcc-9 (9.3.0-8) unstable; urgency=medium
  

diff --cc debian/libstdc++6.symbols.common
Simple merge

diff --cc debian/rules.defs
Simple merge