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Bytecode parity #7507

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Merged
youknowone merged 3 commits into from
Mar 27, 2026
Merged

Bytecode parity #7507

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af963bc
Bytecode parity phase 3
youknowone Mar 26, 2026
c2473c3
Skip test_thread_safety in _test_multiprocessing
youknowone Mar 27, 2026
860a3db
Skip list→tuple optimization for async for; propagate future_annotati…
youknowone Mar 27, 2026
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Skip list→tuple optimization for async for; propagate future_annotati… 
…ons to nested scopes
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@youknowone
youknowone committed Mar 27, 2026
commit 860a3db840ea18e7e726acdb0abcd234f3c44f14
3 changes: 2 additions & 1 deletion crates/codegen/src/compile.rs
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Expand Up @@ -5460,7 +5460,8 @@ impl Compiler {
// Optimize: `for x in [a, b, c]` → use tuple instead of list
// (list creation is wasteful for iteration)
// Skip optimization if any element is starred (e.g., `[a, *b, c]`)
if let ast::Expr::List(ast::ExprList { elts, .. }) = iter
if !is_async
&& let ast::Expr::List(ast::ExprList { elts, .. }) = iter
&& !elts.iter().any(|e| matches!(e, ast::Expr::Starred(_)))
{
for elt in elts {
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1 change: 1 addition & 0 deletions crates/codegen/src/symboltable.rs
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Expand Up @@ -1035,6 +1035,7 @@ impl SymbolTableBuilder {
.and_then(|t| t.mangled_names.clone())
.filter(|_| typ != CompilerScope::Class);
let mut table = SymbolTable::new(name.to_owned(), typ, line_number, is_nested);
table.future_annotations = self.future_annotations;
table.mangled_names = inherited_mangled_names;
self.tables.push(table);
// Save parent's varnames and start fresh for the new scope
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