Merge pull request rust-lang#3462 from stjepang/fix-async-formatting

Fix formatting of async blocks

Author: topecongiro

src/expr.rs

@@ -1357,7 +1357,7 @@ pub fn can_be_overflowed_expr(
         }
 
         // Handle always block-like expressions
-        ast::ExprKind::Block(..) | ast::ExprKind::Closure(..) => true,
+        ast::ExprKind::Async(..) | ast::ExprKind::Block(..) | ast::ExprKind::Closure(..) => true,
 
         // Handle `[]` and `{}`-like expressions
         ast::ExprKind::Array(..) | ast::ExprKind::Struct(..) => {

tests/source/async_block.rs

@@ -16,4 +16,20 @@ fn baz() {
     let y = async {
         Ok(())
     }; // comment
+
+    spawn(
+        a,
+        async move {
+            action();
+            Ok(())
+        },
+    );
+
+    spawn(
+        a,
+        async move || {
+            action();
+            Ok(())
+        },
+    );
 }

tests/target/async_block.rs

@@ -12,4 +12,14 @@ fn baz() {
     };
 
     let y = async { Ok(()) }; // comment
+
+    spawn(a, async move {
+        action();
+        Ok(())
+    });
+
+    spawn(a, async move || {
+        action();
+        Ok(())
+    });
 }