Polymorphic sync v2

[cuzzo]

No description provided.

[codecov-commenter]

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Codecov Report

❌ Patch coverage is 88.88889% with 57 lines in your changes missing coverage. Please review.
✅ Project coverage is 88.60%. Comparing base (1285b16) to head (3f4555b).

Files with missing lines	Patch %	Lines
src/ast/parser.rb	65.62%	11 Missing ⚠️
src/annotator-helpers/generic_analysis.rb	83.05%	10 Missing ⚠️
src/ast/type.rb	60.00%	10 Missing ⚠️
src/annotator.rb	91.34%	9 Missing ⚠️
src/mir/escape_analysis.rb	53.33%	7 Missing ⚠️
src/tools/doctor.rb	0.00%	4 Missing ⚠️
src/annotator-helpers/capabilities.rb	77.77%	2 Missing ⚠️
src/mir/mir_lowering.rb	96.82%	2 Missing ⚠️
src/backends/pipeline_host.rb	50.00%	1 Missing ⚠️
src/mir/control_flow.rb	97.67%	1 Missing ⚠️
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Additional details and impacted files

@@            Coverage Diff             @@
##           master       #9      +/-   ##
==========================================
+ Coverage   88.09%   88.60%   +0.51%     
==========================================
  Files         161      161              
  Lines       42060    42483     +423     
  Branches    10260    10498     +238     
==========================================
+ Hits        37052    37642     +590     
+ Misses       5008     4841     -167     

Flag	Coverage Δ
ruby	84.00% <87.82%> (+1.01%)	⬆️
zig	95.09% <100.00%> (-0.09%)	⬇️

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