bjoernager/rust
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diagnostics: only talk about Cargo.toml if running under Cargo

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Fixes #94646
This commit is contained in:
Michael Howell 2022-03-07 10:50:47 -07:00
parent d137c3a7bd
commit fbd4cfa0f8
13 changed files with 132 additions and 33 deletions
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5
compiler/rustc_parse/src/parser/item.rs
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@ -14,7 +14,7 @@ use rustc_ast::{FnHeader, ForeignItem, Path, PathSegment, Visibility, Visibility
use rustc_ast::{MacArgs, MacCall, MacDelimiter};
use rustc_ast_pretty::pprust;
use rustc_errors::{struct_span_err, Applicability, PResult, StashKey};
use rustc_span::edition::{Edition, LATEST_STABLE_EDITION};
use rustc_span::edition::Edition;
use rustc_span::lev_distance::lev_distance;
use rustc_span::source_map::{self, Span};
use rustc_span::symbol::{kw, sym, Ident, Symbol};
@ -2102,8 +2102,7 @@ impl<'a> Parser<'a> {
let diag = self.diagnostic();
struct_span_err!(diag, span, E0670, "`async fn` is not permitted in Rust 2015")
.span_label(span, "to use `async fn`, switch to Rust 2018 or later")
.help(&format!("set `edition = \"{}\"` in `Cargo.toml`", LATEST_STABLE_EDITION))
.note("for more on editions, read https://doc.rust-lang.org/edition-guide")
.help_use_latest_edition()
.emit();
}
}