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Don't show note if span is DUMMY_SP

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This commit is contained in:
Henry Boisdequin 2021-03-09 20:12:47 +05:30
parent bba2bac9fe
commit 26478c81fd
3 changed files with 40 additions and 6 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