Clarity improvements to DropTree
#122080
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Clarity improvements to DropTree
#122080
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This clarifies that we're adding an "entry point", not just adding an "entry" of some kind.
This allows us to use real field names instead of tuple element numbers. Renaming `previous_drops` to `existing_drops_map` clarifies that "previous" was unrelated to drop order.
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Originally I had added a |
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Thanks! Generally makes sense but I don't feel comfortable approving this as I'm not super familiar with MIR (yet). r? @oli-obk |
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@bors r+ rollup |
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Clarity improvements to `DropTree` These changes are based on some points of confusion I had when initially trying to understand this code. The only “functional” change is an additional assertion in `<ExitScopes as DropTreeBuilder>::link_entry_point`, checking that the dummy terminator is `TerminatorKind::UnwindResume` as expected.
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…kingjubilee Rollup of 15 pull requests Successful merges: - rust-lang#116791 (Allow codegen backends to opt-out of parallel codegen) - rust-lang#116793 (Allow targets to override default codegen backend) - rust-lang#117458 (LLVM Bitcode Linker: A self contained linker for nvptx and other targets) - rust-lang#119385 (Fix type resolution of associated const equality bounds (take 2)) - rust-lang#121438 (std support for wasm32 panic=unwind) - rust-lang#121893 (Add tests (and a bit of cleanup) for interior mut handling in promotion and const-checking) - rust-lang#122080 (Clarity improvements to `DropTree`) - rust-lang#122152 (Improve diagnostics for parenthesized type arguments) - rust-lang#122166 (Remove the unused `field_remapping` field from `TypeLowering`) - rust-lang#122249 (interpret: do not call machine read hooks during validation) - rust-lang#122299 (Store backtrace for `must_produce_diag`) - rust-lang#122318 (Revision-related tweaks for next-solver tests) - rust-lang#122320 (Use ptradd for vtable indexing) - rust-lang#122328 (unix_sigpipe: Replace `inherit` with `sig_dfl` in syntax tests) - rust-lang#122330 (bootstrap readme: fix, improve, update) r? `@ghost` `@rustbot` modify labels: rollup
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Rollup merge of rust-lang#122080 - Zalathar:drop-tree, r=oli-obk Clarity improvements to `DropTree` These changes are based on some points of confusion I had when initially trying to understand this code. The only “functional” change is an additional assertion in `<ExitScopes as DropTreeBuilder>::link_entry_point`, checking that the dummy terminator is `TerminatorKind::UnwindResume` as expected.
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These changes are based on some points of confusion I had when initially trying to understand this code.
The only “functional” change is an additional assertion in
<ExitScopes as DropTreeBuilder>::link_entry_point, checking that the dummy terminator isTerminatorKind::UnwindResumeas expected.