[review] check interaction with import grouping

Author: tommilligan

tests/source/issue-5030.rs

@@ -1,7 +1,22 @@
 // rustfmt-imports_granularity: Item
+// rustfmt-group_imports: One
 
+// Confirm that attributes are duplicated to all items in the use statement
 #[cfg(feature = "foo")]
 use std::collections::{
     HashMap,
     HashSet,
 };
+
+// Separate the imports below from the ones above
+const A: usize = 0;
+
+// Copying attrs works with import grouping as well
+#[cfg(feature = "foo")]
+use std::collections::{
+    HashMap,
+    HashSet,
+};
+
+#[cfg(feature = "spam")]
+use qux::{bar, baz};

tests/target/issue-5030.rs

@@ -1,5 +1,20 @@
 // rustfmt-imports_granularity: Item
+// rustfmt-group_imports: One
 
+// Confirm that attributes are duplicated to all items in the use statement
+#[cfg(feature = "foo")]
+use std::collections::HashMap;
+#[cfg(feature = "foo")]
+use std::collections::HashSet;
+
+// Separate the imports below from the ones above
+const A: usize = 0;
+
+// Copying attrs works with import grouping as well
+#[cfg(feature = "spam")]
+use qux::bar;
+#[cfg(feature = "spam")]
+use qux::baz;
 #[cfg(feature = "foo")]
 use std::collections::HashMap;
 #[cfg(feature = "foo")]