Handle the parsing of expressions involving ==, !=, <, <=, > & >= following the WGSL spec.
<rdar://problem/105379078>
Pull request: https://github.com/WebKit/WebKit/pull/10016
Committed 260189@main (460f0d5f93ba): <https://commits.webkit.org/260189@main> Reviewed commits have been landed. Closing PR #10016 and removing active labels.