Windows 7 fails to boot with patch 7eff2e7c

[Programmingkid]

I have noticed that Windows 7 has stopped being able to boot recently. After 
doing some bisecting I found out it was this patch that is causing this issue:

7eff2e7c652304157f503f2d406193bb9de10d58 is the first bad commit
commit 7eff2e7c652304157f503f2d406193bb9de10d58
Author: Richard Henderson <richard.henderson@linaro.org>
Date:   Fri May 14 10:13:31 2021 -0500

    target/i386: Cleanup read_crN, write_crN, lmsw
    
    Pull the svm intercept check into the translator.
    Pull the entire implementation of lmsw into the translator.
    Push the check for CR8LEG into the regno validation switch.
    Unify the gen_io_start check between read/write.