3 files changed, 49 insertions, 4 deletions

diff --git a/crates/hir_ty/Cargo.toml b/crates/hir_ty/Cargo.toml
index 418ac8cbb..6ef9d1e7e 100644
--- a/crates/hir_ty/Cargo.toml
+++ b/crates/hir_ty/Cargo.toml
@@ -17,9 +17,9 @@ ena = "0.14.0"
 log = "0.4.8"
 rustc-hash = "1.1.0"
 scoped-tls = "1"
-chalk-solve = { version = "0.56", default-features = false }
-chalk-ir = "0.56"
-chalk-recursive = "0.56"
+chalk-solve = { version = "0.58", default-features = false }
+chalk-ir = "0.58"
+chalk-recursive = "0.58"
 la-arena = { version = "0.2.0", path = "../../lib/arena" }
 
 stdx = { path = "../stdx", version = "0.0.0" }
diff --git a/crates/hir_ty/src/tests/method_resolution.rs b/crates/hir_ty/src/tests/method_resolution.rs
index 659b8fce9..a9901d7b8 100644
--- a/crates/hir_ty/src/tests/method_resolution.rs
+++ b/crates/hir_ty/src/tests/method_resolution.rs
@@ -956,6 +956,51 @@ fn test() { foo.call(); }
 }
 
 #[test]
+fn super_trait_impl_return_trait_method_resolution() {
+    check_infer(
+        r#"
+        trait Base {
+            fn foo(self) -> usize;
+        }
+
+        trait Super : Base {}
+
+        fn base1() -> impl Base { loop {} }
+        fn super1() -> impl Super { loop {} }
+
+        fn test(base2: impl Base, super2: impl Super) {
+            base1().foo();
+            super1().foo();
+            base2.foo();
+            super2.foo();
+        }
+        "#,
+        expect![[r#"
+            24..28 'self': Self
+            90..101 '{ loop {} }': !
+            92..99 'loop {}': !
+            97..99 '{}': ()
+            128..139 '{ loop {} }': !
+            130..137 'loop {}': !
+            135..137 '{}': ()
+            149..154 'base2': impl Base
+            167..173 'super2': impl Super
+            187..264 '{     ...o(); }': ()
+            193..198 'base1': fn base1() -> impl Base
+            193..200 'base1()': impl Base
+            193..206 'base1().foo()': usize
+            212..218 'super1': fn super1() -> impl Super
+            212..220 'super1()': impl Super
+            212..226 'super1().foo()': usize
+            232..237 'base2': impl Base
+            232..243 'base2.foo()': usize
+            249..255 'super2': impl Super
+            249..261 'super2.foo()': usize
+        "#]],
+    );
+}
+
+#[test]
 fn method_resolution_non_parameter_type() {
     check_types(
         r#"
diff --git a/crates/syntax/Cargo.toml b/crates/syntax/Cargo.toml
index e3ef71650..e41171b57 100644
--- a/crates/syntax/Cargo.toml
+++ b/crates/syntax/Cargo.toml
@@ -13,7 +13,7 @@ doctest = false
 [dependencies]
 itertools = "0.10.0"
 rowan = "0.12.2"
-rustc_lexer = { version = "705.0.0", package = "rustc-ap-rustc_lexer" }
+rustc_lexer = { version = "707.0.0", package = "rustc-ap-rustc_lexer" }
 rustc-hash = "1.1.0"
 arrayvec = "0.5.1"
 once_cell = "1.3.1"