merge 3.5 (#27656)

diff --cc Misc/NEWS
index 9b41b748dfd64f637595ae2f60eab05816bfbb07,0a6ddf49c05d67e70aa3cea221e064b0c8ff65ed..a6bc778d3a116afa83298e5ee07827f86d113813
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -38,9 -34,8 +38,11 @@@ Core and Builtin
  Library
  -------
  
 +- Issue #7063: Remove dead code from the "array" module's slice handling.
 +  Patch by Chuck.
 +
+ - Issue #27656: Do not assume sched.h defines any SCHED_* constants.
+ 
  - Issue #27130: In the "zlib" module, fix handling of large buffers
    (typically 4 GiB) when compressing and decompressing.  Previously, inputs
    were limited to 4 GiB, and compression and decompression operations did not

diff --cc Modules/posixmodule.c
Simple merge