diff options
| -rw-r--r-- | compiler/rustc_lint/src/builtin.rs | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs index 876ef944d65..3da9ef3ff7c 100644 --- a/compiler/rustc_lint/src/builtin.rs +++ b/compiler/rustc_lint/src/builtin.rs @@ -90,19 +90,11 @@ declare_lint! { declare_lint_pass!(WhileTrue => [WHILE_TRUE]); -/// Traverse through any amount of parenthesis and return the first non-parens expression. -fn pierce_parens(mut expr: &ast::Expr) -> &ast::Expr { - while let ast::ExprKind::Paren(sub) = &expr.kind { - expr = sub; - } - expr -} - impl EarlyLintPass for WhileTrue { #[inline] fn check_expr(&mut self, cx: &EarlyContext<'_>, e: &ast::Expr) { if let ast::ExprKind::While(cond, _, label) = &e.kind - && let ast::ExprKind::Lit(token_lit) = pierce_parens(cond).kind + && let ast::ExprKind::Lit(token_lit) = cond.peel_parens().kind && let token::Lit { kind: token::Bool, symbol: kw::True, .. } = token_lit && !cond.span.from_expansion() { @@ -2651,7 +2643,7 @@ impl<'tcx> LateLintPass<'tcx> for InvalidValue { } declare_lint! { - /// The `deref_nullptr` lint detects when an null pointer is dereferenced, + /// The `deref_nullptr` lint detects when a null pointer is dereferenced, /// which causes [undefined behavior]. /// /// ### Example |