Sort in DefMap::dump, since HashMap iteration order isn't defined

crates/hir-def/src/nameres.rs

@@ -48,8 +48,8 @@
 //! the result
 
 pub mod attr_resolution;
-pub mod diagnostics;
 mod collector;
+pub mod diagnostics;
 mod mod_resolution;
 mod path_resolution;
 mod proc_macro;
@@ -57,10 +57,11 @@ mod proc_macro;
 #[cfg(test)]
 mod tests;
 
-use std::sync::Arc;
+use std::{cmp::Ord, sync::Arc};
 
 use base_db::{CrateId, Edition, FileId};
 use hir_expand::{name::Name, InFile, MacroDefId};
+use itertools::Itertools;
 use la_arena::Arena;
 use profile::Count;
 use rustc_hash::FxHashMap;
@@ -333,11 +334,7 @@ impl DefMap {
 
     pub(crate) fn crate_root(&self, db: &dyn DefDatabase) -> ModuleId {
         self.with_ancestor_maps(db, self.root, &mut |def_map, _module| {
-            if def_map.block.is_none() {
-                Some(def_map.module_id(def_map.root))
-            } else {
-                None
-            }
+            if def_map.block.is_none() { Some(def_map.module_id(def_map.root)) } else { None }
         })
         .expect("DefMap chain without root")
     }
@@ -431,7 +428,9 @@ impl DefMap {
 
             map.modules[module].scope.dump(buf);
 
-            for (name, child) in map.modules[module].children.iter() {
+            for (name, child) in
+                map.modules[module].children.iter().sorted_by(|a, b| Ord::cmp(&a.0, &b.0))
+            {
                 let path = format!("{}::{}", path, name);
                 buf.push('\n');
                 go(buf, map, &path, *child);

crates/hir-def/src/nameres/tests.rs

@@ -648,11 +648,11 @@ mod b {
             a: t
             b: t
 
-            crate::b
-            T: v
-
             crate::a
             T: t v
+
+            crate::b
+            T: v
         "#]],
     );
 }
@@ -704,13 +704,13 @@ use crate::reex::*;
             reex: t
             tr: t
 
-            crate::tr
-            PrivTr: t
-            PubTr: t
-
             crate::reex
             _: t
             _: t
+
+            crate::tr
+            PrivTr: t
+            PubTr: t
         "#]],
     );
 }
@@ -920,14 +920,14 @@ use some_module::unknown_func;
             some_module: t
             unknown_func: v
 
-            crate::some_module
-            unknown_func: v
-
             crate::other_module
             some_submodule: t
 
             crate::other_module::some_submodule
             unknown_func: v
+
+            crate::some_module
+            unknown_func: v
         "#]],
     )
 }

crates/hir-def/src/nameres/tests/globs.rs

@@ -315,8 +315,13 @@ mod d {
             c: t
             d: t
 
-            crate::d
-            Y: t v
+            crate::a
+            foo: t
+
+            crate::a::foo
+            X: t v
+
+            crate::b
             foo: t
 
             crate::c
@@ -325,14 +330,9 @@ mod d {
             crate::c::foo
             Y: t v
 
-            crate::b
+            crate::d
+            Y: t v
             foo: t
-
-            crate::a
-            foo: t
-
-            crate::a::foo
-            X: t v
         "#]],
     );
 }

crates/hir-def/src/nameres/tests/macros.rs

@@ -439,15 +439,8 @@ macro_rules! baz {
             m7: t
             ok_double_macro_use_shadow: v
 
-            crate::m7
-
             crate::m1
 
-            crate::m5
-            m6: t
-
-            crate::m5::m6
-
             crate::m2
 
             crate::m3
@@ -462,6 +455,13 @@ macro_rules! baz {
             ok_shadow_deep: v
 
             crate::m3::m5
+
+            crate::m5
+            m6: t
+
+            crate::m5::m6
+
+            crate::m7
         "#]],
     );
     // FIXME: should not see `NotFoundBefore`