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Small dedup

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This commit is contained in:
Nadrieril 2024-06-17 19:39:09 +02:00
parent 012626b32b
commit cef49f73e7
1 changed files with 15 additions and 18 deletions
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27
compiler/rustc_mir_build/src/build/matches/mod.rs
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@ -2059,14 +2059,15 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
return self.cfg.start_new_block();
}
self.ascribe_types(
block,
parent_data
let ascriptions = parent_data
.iter()
.flat_map(|d| &d.ascriptions)
.cloned()
.chain(candidate.extra_data.ascriptions),
);
.chain(candidate.extra_data.ascriptions);
let bindings =
parent_data.iter().flat_map(|d| &d.bindings).chain(&candidate.extra_data.bindings);
self.ascribe_types(block, ascriptions);
// rust-lang/rust#27282: The `autoref` business deserves some
// explanation here.
@ -2153,12 +2154,11 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
&& let Some(guard) = arm.guard
{
let tcx = self.tcx;
let bindings =
parent_data.iter().flat_map(|d| &d.bindings).chain(&candidate.extra_data.bindings);
self.bind_matched_candidate_for_guard(block, schedule_drops, bindings.clone());
let guard_frame =
GuardFrame { locals: bindings.map(|b| GuardFrameLocal::new(b.var_id)).collect() };
let guard_frame = GuardFrame {
locals: bindings.clone().map(|b| GuardFrameLocal::new(b.var_id)).collect(),
};
debug!("entering guard building context: {:?}", guard_frame);
self.guard_context.push(guard_frame);
@ -2231,11 +2231,8 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
// ```
//
// and that is clearly not correct.
let by_value_bindings = parent_data
.iter()
.flat_map(|d| &d.bindings)
.chain(&candidate.extra_data.bindings)
.filter(|binding| matches!(binding.binding_mode.0, ByRef::No));
let by_value_bindings =
bindings.filter(|binding| matches!(binding.binding_mode.0, ByRef::No));
// Read all of the by reference bindings to ensure that the
// place they refer to can't be modified by the guard.
for binding in by_value_bindings.clone() {
@ -2259,7 +2256,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
self.bind_matched_candidate_for_arm_body(
block,
schedule_drops,
parent_data.iter().flat_map(|d| &d.bindings).chain(&candidate.extra_data.bindings),
bindings,
storages_alive,
);
block