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Force token collection to run when parsing nonterminals

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Fixes #81007

Previously, we would fail to collect tokens in the proper place when
only builtin attributes were present. As a result, we would end up with
attribute tokens in the collected `TokenStream`, leading to duplication
when we attempted to prepend the attributes from the AST node.

We now explicitly track when token collection must be performed due to
nomterminal parsing.
This commit is contained in:
Aaron Hill 2021-01-18 16:47:37 -05:00
parent 9009f8f031
commit 2be935d396
1 changed files with 2 additions and 1 deletions
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3
clippy_lints/src/doc.rs
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@ -12,6 +12,7 @@ use rustc_lint::{LateContext, LateLintPass};
use rustc_middle::lint::in_external_macro;
use rustc_middle::ty;
use rustc_parse::maybe_new_parser_from_source_str;
use rustc_parse::parser::ForceCollect;
use rustc_session::parse::ParseSess;
use rustc_session::{declare_tool_lint, impl_lint_pass};
use rustc_span::edition::Edition;
@ -483,7 +484,7 @@ fn check_code(cx: &LateContext<'_>, text: &str, edition: Edition, span: Span) {
let mut relevant_main_found = false;
loop {
match parser.parse_item() {
match parser.parse_item(ForceCollect::No) {
Ok(Some(item)) => match &item.kind {
// Tests with one of these items are ignored
ItemKind::Static(..)