From 75aa2b9ec8529a3854a4ebaab1a03438410dc87e Mon Sep 17 00:00:00 2001
From: Samuel Tardieu <sam@rfc1149.net>
Date: Mon, 13 Feb 2023 20:41:26 +0100
Subject: [PATCH] uninlined_format_args: do not inline argument with generic
 parameters

---
 clippy_lints/src/format_args.rs      | 1 +
 tests/ui/uninlined_format_args.fixed | 4 ++++
 tests/ui/uninlined_format_args.rs    | 4 ++++
 3 files changed, 9 insertions(+)

diff --git a/clippy_lints/src/format_args.rs b/clippy_lints/src/format_args.rs
index 92238d557e9d..e7caed65bf28 100644
--- a/clippy_lints/src/format_args.rs
+++ b/clippy_lints/src/format_args.rs
@@ -340,6 +340,7 @@ fn check_one_arg(
     if matches!(param.kind, Implicit | Starred | Named(_) | Numbered)
         && let ExprKind::Path(QPath::Resolved(None, path)) = param.value.kind
         && let [segment] = path.segments
+        && segment.args.is_none()
         && let Some(arg_span) = args.value_with_prev_comma_span(param.value.hir_id)
     {
         let replacement = match param.usage {
diff --git a/tests/ui/uninlined_format_args.fixed b/tests/ui/uninlined_format_args.fixed
index 9d08e80cf9a5..cbd5cc5fceef 100644
--- a/tests/ui/uninlined_format_args.fixed
+++ b/tests/ui/uninlined_format_args.fixed
@@ -174,3 +174,7 @@ fn _meets_msrv() {
     let local_i32 = 1;
     println!("expand='{local_i32}'");
 }
+
+fn _do_not_fire() {
+    println!("{:?}", None::<()>);
+}
diff --git a/tests/ui/uninlined_format_args.rs b/tests/ui/uninlined_format_args.rs
index 35b3677a8968..cf0ea5be4813 100644
--- a/tests/ui/uninlined_format_args.rs
+++ b/tests/ui/uninlined_format_args.rs
@@ -179,3 +179,7 @@ fn _meets_msrv() {
     let local_i32 = 1;
     println!("expand='{}'", local_i32);
 }
+
+fn _do_not_fire() {
+    println!("{:?}", None::<()>);
+}