Merge version 9.3.0-15+rpi1 and 9.3.0-18 to produce 9.3.0-18+rpi1

diff --cc debian/changelog
index a739d85d5bcceb786a53c06b999b649b878d5b93,5524ef883763e321187289bf70f42ce56625c8ef..997ca7ecc0734b6fe94a23525baa527c907bd106
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,15 -1,37 +1,50 @@@
- gcc-9 (9.3.0-15+rpi1) bullseye-staging; urgency=medium
++gcc-9 (9.3.0-18+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>  Fri, 24 Jul 2020 07:41:03 +0000
++ -- Raspbian forward porter <root@raspbian.org>  Sun, 20 Sep 2020 15:13:30 +0000
++
+ gcc-9 (9.3.0-18) unstable; urgency=medium
+ 
+   * Update to git 20200911 from the gcc-9 branch.
+     - Fix PR target/92923 (PPC), PR fortran/95882, PR fortran/96486,
+       PR libstdc++/89510, PR libstdc++/71960, PR libstdc++/96766,
+       PR libstdc++/89760, PR libstdc++/95749.
+ 
+  -- Matthias Klose <doko@debian.org>  Fri, 11 Sep 2020 10:51:22 +0200
+ 
+ gcc-9 (9.3.0-17) unstable; urgency=medium
+ 
+   * Update to git 20200808 from the gcc-9 branch.
+     - Fix PR target/96191 (ARM), PR target/96191 (AArch64),
+       PR rtl-optimization/94605, PR middle-end/95114, PR target/94065 (PPC),
+       PR d/96140, PR fortran/95612, PR fortran/95585, PR fortran/89574,
+       PR fortran/96018, PR fortran/96220, PR target/96402 (AArch64),
+       PR fortran/93592, PR libstdc++/93245, PR libstdc++/94242,
+       PR libstdc++/96484.
+   * Apply patch for PR bootstrap/96203, add -fcf-protection=check, taken from
+     the trunk.
+   * Refresh patches.
+ 
+  -- Matthias Klose <doko@debian.org>  Sat, 08 Aug 2020 13:51:49 +0200
+ 
+ gcc-9 (9.3.0-16) unstable; urgency=medium
+ 
+   * Update to git 20200721 from the gcc-9 branch.
+     - Fix PR target/94891 (AArch64), PR target/94791 (AArch64),
+       PR target/96001 (AArch64).
+     - Fix missing dependencies for selftests which occasionally causes
+       failed builds. Addresses: #960913.
+   * Build the GC enabled libobjc on arm64, mips and mipsel as well.
+ 
+  -- Matthias Klose <doko@debian.org>  Tue, 21 Jul 2020 11:49:23 +0200
  
  gcc-9 (9.3.0-15) unstable; urgency=medium
  

diff --cc debian/rules.defs
Simple merge

diff --cc debian/rules.patch
Simple merge