Merge version 8-20180312-2+rpi1 and 8-20180321-1 to produce 8-20180321-1+rpi1

diff --cc debian/changelog
index 991a872e0dec41c775608c53c5f84309f56f63ce,444134c819bbbce672f0430fc5eba947e2865801..796abc54e6fd34b3296af2a718371bb247a014a7
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,9 -1,21 +1,28 @@@
- gcc-8 (8-20180312-2+rpi1) buster-staging; urgency=medium
++gcc-8 (8-20180321-1+rpi1) buster-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.
 +
-  -- Peter Michael Green <plugwash@raspbian.org>  Thu, 22 Mar 2018 23:26:14 +0000
++ -- Raspbian forward porter <root@raspbian.org>  Thu, 29 Mar 2018 03:16:51 +0000
++
+ gcc-8 (8-20180321-1) unstable; urgency=medium
+ 
+   * GCC 8 snapshot, taken from the trunk 20180321 (r258712).
+     - Fix PR sanitizer/84761. Addresses: #892096.
+   * Update GDC to 20180320.
+   * Reenable building gdc.
+ 
+  -- Matthias Klose <doko@debian.org>  Wed, 21 Mar 2018 19:47:27 +0800
+ 
+ gcc-8 (8-20180319-1) unstable; urgency=medium
+ 
+   * GCC 8 snapshot, taken from the trunk 20180319 (r258631).
+ 
+   [ Aurelien Jarno ]
+   * Default to PIE on riscv64.
+   * Temporarily do not build-depend on gdb on riscv64.
+ 
+  -- Matthias Klose <doko@debian.org>  Mon, 19 Mar 2018 02:18:29 +0800
  
  gcc-8 (8-20180312-2) unstable; urgency=medium