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Fix ICE in missing_panics_doc

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This commit is contained in:
Jason Newcomb 2021-04-05 00:09:13 -04:00
parent a15d987c8f
commit a00de90ceb
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GPG key ID: DA59E8643A37ED06
2 changed files with 23 additions and 3 deletions
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5
clippy_lints/src/doc.rs
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@ -11,7 +11,7 @@ use rustc_errors::emitter::EmitterWriter;
use rustc_errors::Handler;
use rustc_hir as hir;
use rustc_hir::intravisit::{self, NestedVisitorMap, Visitor};
use rustc_hir::{Expr, ExprKind, QPath};
use rustc_hir::{AnonConst, Expr, ExprKind, QPath};
use rustc_lint::{LateContext, LateLintPass};
use rustc_middle::hir::map::Map;
use rustc_middle::lint::in_external_macro;
@ -735,6 +735,9 @@ impl<'a, 'tcx> Visitor<'tcx> for FindPanicUnwrap<'a, 'tcx> {
intravisit::walk_expr(self, expr);
}
// Panics in const blocks will cause compilation to fail.
fn visit_anon_const(&mut self, _: &'tcx AnonConst) {}
fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {
NestedVisitorMap::OnlyBodies(self.cx.tcx.hir())
}

21
tests/ui/doc.rs
View file

@ -1,8 +1,8 @@
//! This file tests for the `DOC_MARKDOWN` lint.
#![allow(dead_code)]
#![allow(dead_code, incomplete_features)]
#![warn(clippy::doc_markdown)]
#![feature(custom_inner_attributes)]
#![feature(custom_inner_attributes, const_generics, const_evaluatable_checked, const_option)]
#![rustfmt::skip]
/// The foo_bar function does _nothing_. See also foo::bar. (note the dot there)
@ -202,3 +202,20 @@ fn issue_2343() {}
/// This should not cause an ICE:
/// __|_ _|__||_|
fn pulldown_cmark_crash() {}
// issue #7033 - const_evaluatable_checked ICE
struct S<T, const N: usize>
where [(); N.checked_next_power_of_two().unwrap()]: {
arr: [T; N.checked_next_power_of_two().unwrap()],
n: usize,
}
impl<T: Copy + Default, const N: usize> S<T, N>
where [(); N.checked_next_power_of_two().unwrap()]: {
fn new() -> Self {
Self {
arr: [T::default(); N.checked_next_power_of_two().unwrap()],
n: 0,
}
}
}