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require a tcx for TypeVisitor

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This commit is contained in:
lcnr 2021-03-13 16:05:15 +01:00
parent 72df99a49b
commit 4d627fc41b
1 changed files with 9 additions and 6 deletions
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15
clippy_lints/src/redundant_clone.rs
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@ -14,7 +14,7 @@
visit::{MutatingUseContext, NonMutatingUseContext, PlaceContext, Visitor as _},
Mutability,
};
use rustc_middle::ty::{self, fold::TypeVisitor, Ty};
use rustc_middle::ty::{self, fold::TypeVisitor, Ty, TyCtxt};
use rustc_mir::dataflow::{Analysis, AnalysisDomain, GenKill, GenKillAnalysis, ResultsCursor};
use rustc_session::{declare_lint_pass, declare_tool_lint};
use rustc_span::source_map::{BytePos, Span};
@ -576,7 +576,7 @@ fn visit_assign(&mut self, place: &mir::Place<'tcx>, rvalue: &mir::Rvalue<'_>, _
self.possible_borrower.add(borrowed.local, lhs);
},
other => {
if ContainsRegion
if ContainsRegion(self.cx.tcx)
.visit_ty(place.ty(&self.body.local_decls, self.cx.tcx).ty)
.is_continue()
{
@ -625,7 +625,7 @@ fn visit_terminator(&mut self, terminator: &mir::Terminator<'_>, _loc: mir::Loca
.flat_map(HybridBitSet::iter)
.collect();
if ContainsRegion.visit_ty(self.body.local_decls[*dest].ty).is_break() {
if ContainsRegion(self.cx.tcx).visit_ty(self.body.local_decls[*dest].ty).is_break() {
mutable_variables.push(*dest);
}
@ -701,12 +701,15 @@ fn visit_assign(&mut self, place: &mir::Place<'tcx>, rvalue: &mir::Rvalue<'_>, _
}
}
struct ContainsRegion;
struct ContainsRegion<'tcx>(TyCtxt<'tcx>);
impl TypeVisitor<'_> for ContainsRegion {
impl<'tcx> TypeVisitor<'tcx> for ContainsRegion<'tcx> {
type BreakTy = ();
fn tcx_for_anon_const_substs(&self) -> TyCtxt<'tcx> {
self.0
}
fn visit_region(&mut self, _: ty::Region<'_>) -> ControlFlow<Self::BreakTy> {
fn visit_region(&mut self, _: ty::Region<'tcx>) -> ControlFlow<Self::BreakTy> {
ControlFlow::BREAK
}
}