From 408bf4ad4394e777cd51669d125dcd5f582e71a9 Mon Sep 17 00:00:00 2001
From: kntkymt <kntkc0de@gmail.com>
Date: Sun, 19 Jan 2025 17:23:36 +0900
Subject: [PATCH 1/2] [ConstraintSystem] Add index value (as an impact of the
 score kind) to debug constraints.

---
 include/swift/Sema/ConstraintSystem.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/swift/Sema/ConstraintSystem.h b/include/swift/Sema/ConstraintSystem.h
index 2fa61caf9b2dc..cbd95a77f7c42 100644
--- a/include/swift/Sema/ConstraintSystem.h
+++ b/include/swift/Sema/ConstraintSystem.h
@@ -1197,6 +1197,9 @@ struct Score {
     for (unsigned int i = 0; i < NumScoreKinds; ++i) {
       if (Data[i] != 0) {
         out << " [component: ";
+        out << "#";
+        out << std::to_string(i);
+        out << " ";
         out << getNameFor(ScoreKind(i));
         out << "(s), value: ";
         out << std::to_string(Data[i]);

From 88fba2921584c501b6ab8e9d005d5f18321cc0c7 Mon Sep 17 00:00:00 2001
From: kntkymt <kntkc0de@gmail.com>
Date: Tue, 21 Jan 2025 23:28:40 +0900
Subject: [PATCH 2/2] Use weight instead of index, change label 'value' ->
 'impact'

---
 include/swift/Sema/ConstraintSystem.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/swift/Sema/ConstraintSystem.h b/include/swift/Sema/ConstraintSystem.h
index cbd95a77f7c42..a05d6b89186ad 100644
--- a/include/swift/Sema/ConstraintSystem.h
+++ b/include/swift/Sema/ConstraintSystem.h
@@ -1198,10 +1198,10 @@ struct Score {
       if (Data[i] != 0) {
         out << " [component: ";
         out << "#";
-        out << std::to_string(i);
+        out << std::to_string(NumScoreKinds - i);
         out << " ";
         out << getNameFor(ScoreKind(i));
-        out << "(s), value: ";
+        out << "(s), impact: ";
         out << std::to_string(Data[i]);
         out << "]";
         hasNonDefault = true;