Merge branch 'debian/experimental2' into debian/experimental

diff --cc debian/changelog
index acfa5694d69d47a2b4c05efc6d5a519d19f33a9f,0ff0f546f9e7c63627d8c95d0a5cb0d6e3078ce2..497305ae79feb7831bd248b152e909f021377bd8
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,10 -1,21 +1,28 @@@
 +rustc (1.51.0+dfsg1-1~exp1) UNRELEASED; urgency=medium
 +
 +  * New upstream release.
 +  * Enable 32-bit windows support.
 +
 + -- Ximin Luo <infinity0@debian.org>  Mon, 05 Apr 2021 22:18:19 +0100
 +
+ rustc (1.50.0+dfsg1-1~exp4) experimental; urgency=medium
+ 
+   * Fix more tests with a backported upstream PR.
+ 
+  -- Ximin Luo <infinity0@debian.org>  Mon, 12 Apr 2021 01:51:22 +0100
+ 
+ rustc (1.50.0+dfsg1-1~exp3) experimental; urgency=medium
+ 
+   * Fix cross-compile to windows using same-version stage0.
+ 
+  -- Ximin Luo <infinity0@debian.org>  Sun, 11 Apr 2021 13:52:41 +0100
+ 
+ rustc (1.50.0+dfsg1-1~exp2) experimental; urgency=medium
+ 
+   * Fix tests, fix s390x breakage.
+ 
+  -- Ximin Luo <infinity0@debian.org>  Fri, 09 Apr 2021 16:54:20 +0100
+ 
  rustc (1.50.0+dfsg1-1~exp1) experimental; urgency=medium
  
    * New upstream release.

diff --cc debian/patches/series
index 33bcc023f6a443dae5c2be7f5b5d18b2c2b6e733,4c99d823f1fd48c0208c6c05366f33fe7e5a007f..96c6a6121649106a5e3d49dec7c04c403d18c14e
--- 1/debian/patches/series
--- 2/debian/patches/series
+++ b/debian/patches/series
@@@ -1,7 -1,12 +1,11 @@@
  # Patches for upstream
  
  # pending, or forwarded
+ 9756838f612da2ef6c359aaea8bf0a69ad76716a.patch
+ 0001-Revert-Auto-merge-of-79547.patch
+ u-84099.patch
+ u-8d504aa90416668d8f6b4cbd449e2e1de20fb937.patch
  u-ignore-gdb-10-failures.patch
 -u-update-version-check.patch
  u-reproducible-build.patch
  u-make-tests-work-without-rpath.patch
  u-tests-ignore-arm.patch