Merge different function exits

[rust.git] / compiler / rustc_middle / src / hir / map / mod.rs

diff --git a/compiler/rustc_middle/src/hir/map/mod.rs b/compiler/rustc_middle/src/hir/map/mod.rs
index 598e28c1a3ab00ac9442f021aeb8aaadb07b512f..eb6aded9cb3bd9dcf1050097467d433c64711044 100644 (file)
--- a/compiler/rustc_middle/src/hir/map/mod.rs
+++ b/compiler/rustc_middle/src/hir/map/mod.rs
@@ -31,7 +31,7 @@ pub struct Entry<'hir> {
 impl<'hir> Entry<'hir> {
     fn parent_node(self) -> Option<HirId> {
         match self.node {
-            Node::Crate(_) | Node::MacroDef(_) => None,
+            Node::Crate(_) => None,
             _ => Some(self.parent),
         }
     }
@@ -379,7 +379,7 @@ pub fn body_owned_by(&self, id: HirId) -> BodyId {
     pub fn body_param_names(&self, id: BodyId) -> impl Iterator<Item = Ident> + 'hir {
         self.body(id).params.iter().map(|arg| match arg.pat.kind {
             PatKind::Binding(_, _, ident, _) => ident,
-            _ => Ident::new(kw::Invalid, rustc_span::DUMMY_SP),
+            _ => Ident::new(kw::Empty, rustc_span::DUMMY_SP),
         })
     }
 
@@ -710,15 +710,10 @@ pub fn get_defining_scope(&self, id: HirId) -> HirId {
         let mut scope = id;
         loop {
             scope = self.get_enclosing_scope(scope).unwrap_or(CRATE_HIR_ID);
-            if scope == CRATE_HIR_ID {
-                return CRATE_HIR_ID;
-            }
-            match self.get(scope) {
-                Node::Block(_) => {}
-                _ => break,
+            if scope == CRATE_HIR_ID || !matches!(self.get(scope), Node::Block(_)) {
+                return scope;
             }
         }
-        scope
     }
 
     pub fn get_parent_did(&self, id: HirId) -> LocalDefId {