Various fixes to codegen and generator runtime#23

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gf712 merged 11 commits into

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fix/generator-resume-stack-rebase

Jun 24, 2026

Commits on Jun 23, 2026

ast: Move AST std::shared_ptr ownership to arena-owned raw pointer
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vm: Rebase suspended stack frames onto the stack top on resume
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build: enable compilation with clang
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mlir: bind `except <T> as <name>` to the exception instance, not the type
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mlir: keep per-assert source position so asserts report the correct line
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runtime: expose exception str()/args/__traceback__ and traceback.tb_lineno
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runtime: fix construction of RuntimeError/NameError/ModuleNotFoundError

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runtime: repr container elements so inline strings are quoted
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regalloc: model exception-handler edges in liveness
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runtime: exception chaining — expose __cause__/__context__/__suppress_context__
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vm: keep the exception stack clean; fix bare `raise`; implicit __context__
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