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Auto merge of #82935 - henryboisdequin:diagnostic-cleanups, r=estebank

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Diagnostic cleanups

Follow up to #81503
Helps with #82916 (don't show note if `span` is `DUMMY_SP`)
This commit is contained in:
bors 2021-03-12 09:05:38 +00:00
commit 0cc64a34e9
6 changed files with 46 additions and 12 deletions
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13
compiler/rustc_mir/src/borrow_check/diagnostics/conflict_errors.rs
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@ -13,7 +13,7 @@ use rustc_middle::mir::{
use rustc_middle::ty::{self, suggest_constraining_type_param, Ty, TypeFoldable};
use rustc_span::source_map::DesugaringKind;
use rustc_span::symbol::sym;
use rustc_span::Span;
use rustc_span::{Span, DUMMY_SP};
use crate::dataflow::drop_flag_effects;
use crate::dataflow::indexes::{MoveOutIndex, MovePathIndex};
@ -216,12 +216,13 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> {
);
}
// Avoid pointing to the same function in multiple different
// error messages
if self.fn_self_span_reported.insert(self_arg.span) {
// error messages.
if span != DUMMY_SP && self.fn_self_span_reported.insert(self_arg.span)
{
err.span_note(
self_arg.span,
&format!("this function takes ownership of the receiver `self`, which moves {}", place_name)
);
self_arg.span,
&format!("this function takes ownership of the receiver `self`, which moves {}", place_name)
);
}
}
// Deref::deref takes &self, which cannot cause a move