FlatExpression: split parameter decl/usage, add parent-linked chains, and introduce generic node references - #539

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dadhi with Copilot wants to merge 7 commits into

copilot/optimize-flat-expression-representation-another-one

Commits on Apr 27, 2026

Initial plan
Copilot
authored
55cad42
Split FE parameter decl/use and add parent/reference child links

Copilot
and
dadhi
authored
f1fdc0e
Refine FE child reuse reservation metadata

Copilot
and
dadhi
authored
acf1789
Fix block body child linking for parameter declarations

Copilot
and
dadhi
authored
2517e7c

Commits on Apr 28, 2026

Add illustrative comments for ExprNode bit packing/manipulation

Copilot
and
dadhi
authored
d90ce7e
Split ExprNode header into explicit fields

Copilot
and
dadhi
authored
02fdc70
Use constant flag instead of closure marker sentinel

Copilot
and
dadhi
authored
105f73e