Bug #20192: YJIT in 3.3.0 miscompiles `yield` with keyword splats

• Status: Closed
• Assignee: -
• Target version: -
• ruby -v: ruby 3.3.0 (2023-12-25 revision 5124f9ac75) [x86_64-linux]
• Backport: 3.0: DONTNEED, 3.1: DONTNEED, 3.2: DONTNEED, 3.3: REQUIRED

[alanwu (Alan Wu)]

Test with:

def splat_kw(kwargs) = yield(**kwargs)

p splat_kw({}) { _1 }

% ruby --yjit-call-threshold=1 test.rb 
{}
% ruby test.rb
nil