From aae7a3c4c2fbd0db49fac5618590df541943f140 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Esteban=20K=C3=BCber?= <esteban@kuber.com.ar>
Date: Mon, 3 Mar 2025 20:05:42 +0000
Subject: [PATCH] Use default field values for `config::NextSolverConfig`

Use default field values to avoid manual `Default` impl.
---
 compiler/rustc_session/src/config.rs | 11 +++--------
 compiler/rustc_session/src/lib.rs    |  1 +
 2 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs
index 7586c5766b585..1f63847b6fe75 100644
--- a/compiler/rustc_session/src/config.rs
+++ b/compiler/rustc_session/src/config.rs
@@ -872,18 +872,13 @@ pub enum PrintKind {
     DeploymentTarget,
 }
 
-#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq, Default)]
 pub struct NextSolverConfig {
     /// Whether the new trait solver should be enabled in coherence.
-    pub coherence: bool,
+    pub coherence: bool = true,
     /// Whether the new trait solver should be enabled everywhere.
     /// This is only `true` if `coherence` is also enabled.
-    pub globally: bool,
-}
-impl Default for NextSolverConfig {
-    fn default() -> Self {
-        NextSolverConfig { coherence: true, globally: false }
-    }
+    pub globally: bool = false,
 }
 
 #[derive(Clone)]
diff --git a/compiler/rustc_session/src/lib.rs b/compiler/rustc_session/src/lib.rs
index 112adde3740bc..d432e84fdb224 100644
--- a/compiler/rustc_session/src/lib.rs
+++ b/compiler/rustc_session/src/lib.rs
@@ -1,5 +1,6 @@
 // tidy-alphabetical-start
 #![allow(internal_features)]
+#![feature(default_field_values)]
 #![feature(iter_intersperse)]
 #![feature(let_chains)]
 #![feature(rustc_attrs)]