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stop updating parent_node_id when there is no corresponding map entry

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This commit is contained in:
Niko Matsakis 2015-09-29 06:47:33 -04:00
parent d7b0eb0f39
commit 34a25db45f
1 changed files with 1 additions and 6 deletions
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7
src/librustc/front/map/collector.rs
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@ -248,16 +248,12 @@ impl<'ast> Visitor<'ast> for NodeCollector<'ast> {
fn visit_fn(&mut self, fk: visit::FnKind<'ast>, fd: &'ast FnDecl,
b: &'ast Block, s: Span, id: NodeId) {
let parent_node = self.parent_node;
self.parent_node = id;
assert_eq!(self.parent_node, id);
self.visit_fn_decl(fd);
visit::walk_fn(self, fk, fd, b, s);
self.parent_node = parent_node;
}
fn visit_ty(&mut self, ty: &'ast Ty) {
let parent_node = self.parent_node;
self.parent_node = ty.id;
match ty.node {
TyBareFn(ref fd) => {
self.visit_fn_decl(&*fd.decl);
@ -265,7 +261,6 @@ impl<'ast> Visitor<'ast> for NodeCollector<'ast> {
_ => {}
}
visit::walk_ty(self, ty);
self.parent_node = parent_node;
}
fn visit_block(&mut self, block: &'ast Block) {