test(resolve): update_resolution for remove single import

Author: bvanjoi

tests/ui/resolve/auxiliary/issue-112831-aux.rs

@@ -0,0 +1,13 @@
+// force-host
+// no-prefer-dynamic
+
+#![crate_type = "proc-macro"]
+
+extern crate proc_macro;
+
+struct Zeroable;
+
+#[proc_macro_derive(Zeroable)]
+pub fn derive_zeroable(_: proc_macro::TokenStream) -> proc_macro::TokenStream {
+  proc_macro::TokenStream::default()
+}

tests/ui/resolve/issue-112831.rs

@@ -0,0 +1,20 @@
+// check-pass
+// aux-build:issue-112831-aux.rs
+
+mod zeroable {
+    pub trait Zeroable {}
+}
+
+use zeroable::*;
+
+mod pod {
+    use super::*;
+    pub trait Pod: Zeroable {}
+}
+
+use pod::*;
+
+extern crate issue_112831_aux;
+use issue_112831_aux::Zeroable;
+
+fn main() {}