bors 36b1a9296c Auto merge of #70015 - jonas-schievink:gen-needs-drop, r=matthewjasper ...

Make `needs_drop` less pessimistic on generators

Generators only have non-trivial drop logic when they may store (in upvars or across yields) a type that does.

This prevents generation of some unnecessary MIR in simple generators. There might be some impact on compile times, but this is probably limited in real-world applications.

~~This builds off of https://github.com/rust-lang/rust/pull/69814 since that contains some fixes that are made relevant by *this* PR (see https://github.com/rust-lang/rust/pull/69814#issuecomment-599147269).~~ (this has been merged)

2020-04-19 10:01:16 +00:00

..

auxiliary

…

addassign-yield.rs

…

async-generator-issue-67158.rs

…

async-generator-issue-67158.stderr

…

auto-trait-regions.nll.stderr

introduce negative_impls feature gate and document

2020-03-26 06:52:55 -04:00

auto-trait-regions.rs

introduce negative_impls feature gate and document

2020-03-26 06:52:55 -04:00

auto-trait-regions.stderr

introduce negative_impls feature gate and document

2020-03-26 06:52:55 -04:00

borrow-in-tail-expr.rs

…

borrowing.rs

…

borrowing.stderr

Make needs_drop less pessimistic on generators

2020-04-17 20:30:23 +02:00

conditional-drop.rs

…

control-flow.rs

…

discriminant.rs

Add a test for generator discriminants

2020-03-14 14:09:48 +01:00

drop-and-replace.rs

…

drop-env.rs

…

dropck-resume.rs

…

dropck-resume.stderr

…

dropck.rs

…

dropck.stderr

…

generator-region-requirements.migrate.stderr

…

generator-region-requirements.rs

…

generator-region-requirements.stderr

…

generator-with-nll.rs

…

generator-with-nll.stderr

…

generator-yielding-or-returning-itself.rs

…

generator-yielding-or-returning-itself.stderr

Add label to item source of bound obligation

2020-04-18 17:19:53 -07:00

issue-44197.rs

…

issue-48048.rs

…

issue-48048.stderr

…

issue-52398.rs

…

issue-53548-1.rs

…

issue-53548.rs

…

issue-57084.rs

…

issue-58888.rs

…

issue-61442-stmt-expr-with-drop.rs

…

issue-62506-two_awaits.rs

…

issue-64620-yield-array-element.rs

…

issue-64620-yield-array-element.stderr

…

issue-68112.rs

Use "generator" instead of "future" when appropriate

2020-04-13 18:48:55 -07:00

issue-68112.stderr

Update test after rebase

2020-04-13 19:14:26 -07:00

issue-69017.rs

…

issue-69039.rs

…

iterator-count.rs

…

live-upvar-across-yield.rs

…

match-bindings.rs

…

nested_generators.rs

…

niche-in-generator.rs

…

non-static-is-unpin.rs

…

not-send-sync.rs

Use "generator" instead of "future" when appropriate

2020-04-13 18:48:55 -07:00

not-send-sync.stderr

Incorporate feedback into diagnostics

2020-04-13 18:58:17 -07:00

overlap-locals.rs

…

panic-drops-resume.rs

…

panic-drops.rs

…

panic-safe.rs

…

partial-initialization-across-yield.rs

…

partial-initialization-across-yield.stderr

…

pattern-borrow.rs

…

pattern-borrow.stderr

…

pin-box-generator.rs

…

reborrow-mut-upvar.rs

…

ref-escapes-but-not-over-yield.rs

…

ref-escapes-but-not-over-yield.stderr

…

resume-after-return.rs

…

resume-arg-late-bound.rs

…

resume-arg-late-bound.stderr

Small tweaks to required bound span

2020-04-08 14:40:51 -07:00

resume-arg-size.rs

Fix rebase fallout

2020-03-14 14:14:50 +01:00

resume-live-across-yield.rs

…

retain-resume-ref.rs

…

retain-resume-ref.stderr

Make needs_drop less pessimistic on generators

2020-04-17 20:30:23 +02:00

size-moved-locals.rs

Use smaller discriminants for generators

2020-03-14 14:09:48 +01:00

sized-yield.rs

…

sized-yield.stderr

…

smoke-resume-args.rs

…

smoke.rs

…

static-generators.rs

…

static-mut-reference-across-yield.rs

…

static-not-unpin.rs

…

static-not-unpin.stderr

Small tweaks to required bound span

2020-04-08 14:40:51 -07:00

static-reference-across-yield.rs

…

too-live-local-in-immovable-gen.rs

…

too-many-parameters.rs

…

too-many-parameters.stderr

…

type-mismatch-error.rs

…

type-mismatch-error.stderr

…

type-mismatch-signature-deduction.rs

…

type-mismatch-signature-deduction.stderr

…

xcrate-reachable.rs

…

xcrate.rs

…

yield-in-args-rev.rs

…

yield-in-args.rs

…

yield-in-args.stderr

…

yield-in-box.rs

…

yield-in-const.rs

…

yield-in-const.stderr

…

yield-in-function.rs

…

yield-in-function.stderr

…

yield-in-initializer.rs

…

yield-in-static.rs

…

yield-in-static.stderr

…

yield-subtype.rs

…

yield-while-iterating.rs

…

yield-while-iterating.stderr

…

yield-while-local-borrowed.rs

…

yield-while-local-borrowed.stderr

…

yield-while-ref-reborrowed.rs

…

yield-while-ref-reborrowed.stderr

…