bjoernager/rust
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Fix a stack overflow with long else if chains

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This commit is contained in:
John Kåre Alsaker 2023-08-19 12:55:01 +02:00
parent d06ca0ffaf
commit 1e87ef66f4
2 changed files with 4 additions and 2 deletions
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3
compiler/rustc_ast/src/mut_visit.rs
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@ -13,6 +13,7 @@ use crate::tokenstream::*;
use crate::{ast::*, StaticItem};
use rustc_data_structures::flat_map_in_place::FlatMapInPlace;
use rustc_data_structures::stack::ensure_sufficient_stack;
use rustc_data_structures::sync::Lrc;
use rustc_span::source_map::Spanned;
use rustc_span::symbol::Ident;
@ -1369,7 +1370,7 @@ pub fn noop_visit_expr<T: MutVisitor>(
ExprKind::If(cond, tr, fl) => {
vis.visit_expr(cond);
vis.visit_block(tr);
visit_opt(fl, |fl| vis.visit_expr(fl));
visit_opt(fl, |fl| ensure_sufficient_stack(|| vis.visit_expr(fl)));
}
ExprKind::While(cond, body, label) => {
vis.visit_expr(cond);