
There was some recent change to the Windows image (which is still windows-2019
) that broke xform
s: https://github.com/racket/racket/pull/3991/checks?check_run_id=3568658336 compiler/cm: \| start-compile: D:\a\racket\racket\racket\src\bc\gc2\xform-mod.rkt
compiler/cm: \| start-compile: D:\a\racket\racket\racket\collects\compiler\private\xform.rkt
compiler/cm: \| finish-compile: D:\a\racket\racket\racket\collects\compiler\private\xform.rkt
compiler/cm: \| finish-compile: D:\a\racket\racket\racket\src\bc\gc2\xform-mod.rkt
compiler/cm: finish-compile: D:\a\racket\racket\racket\src\worksp\gc2\make.rkt
precomp.c
pragma: unexpected MSVC compiler pragma: (list (tok '__pragma 4165 #"C:\\\\Program Files (x86)\\\\Windows Kits\\\\10\\\\include\\\\10.0.20348.0\\\\um\\\\winnt.h") (parens "(" 4165 #"C:\\\\Program Files (x86)\\\\Windows Kits\\\\10\\\\include\\\\10.0.20348.0\\\\um\\\\winnt.h" ")" (list (tok 'war...
context...:
D:\a\racket\racket\racket\collects\compiler\private\xform.rkt:4106:10: loop
D:\a\racket\racket\racket\collects\compiler\private\xform.rkt:4152:10: loop
D:\a\racket\racket\racket\collects\compiler\private\xform.rkt:8:2: xform
"D:\a\racket\racket\racket\src\bc\gc2\xform-mod.rkt": [running body]
D:\a\racket\racket\racket\src\worksp\gc2\make.rkt:126:8
error xforming
context...:
D:\a\racket\racket\racket\src\worksp\gc2\make.rkt:105:0: try
I’m not very sure what that message means. Is it some unexpected compiler warning? Searching MSVC 4165 leads to something about HRESULT-to-bool conversion warning

Not sure if this is relevant. On Sep 3, Visual Studio in the Windows image was updated from 16.11.0 to 16.11.2 https://github.com/actions/virtual-environments/commit/3703015712cec213f081e031bde670d29a3f6836#diff-816219d3c9f30fcc1c40f88ca826c1662bf99eded781c1b419dd2dfb577ae227L233-L238\|https://github.com/actions/virtual-environments/commit/3703015712cec213f081e031bde670d29a3f6836#diff-816219d3c9f30fcc1c4[…]19dd2dfb577ae227L233-L238

Windows 10 SDK was also updated on Sep 7 https://github.com/actions/virtual-environments/commit/d1d592805b90fc0f382706a6ce2caa9b98ff77f3#diff-816219d3c9f30fcc1c40f88ca826c1662bf99eded781c1b419dd2dfb577ae227R422\|https://github.com/actions/virtual-environments/commit/d1d592805b90fc0f382706a6ce2caa9b98ff77f3#diff-816219d3c9f30fcc1c4[…]1c1b419dd2dfb577ae227R422