From cfb23d4673b65208d64025fb8b733733970e7966 Mon Sep 17 00:00:00 2001
From: Albert Meltzer <7529386+kitbellew@users.noreply.github.com>
Date: Mon, 22 May 2023 10:07:12 -0700
Subject: [PATCH] RedundantBraces: don't remove parens in Init args

---
 .../src/main/scala/org/scalafmt/rewrite/RedundantBraces.scala | 3 ++-
 .../src/test/resources/rewrite/RedundantBraces.stat           | 4 +---
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/scalafmt-core/shared/src/main/scala/org/scalafmt/rewrite/RedundantBraces.scala b/scalafmt-core/shared/src/main/scala/org/scalafmt/rewrite/RedundantBraces.scala
index e426c33f76..959c32870c 100644
--- a/scalafmt-core/shared/src/main/scala/org/scalafmt/rewrite/RedundantBraces.scala
+++ b/scalafmt-core/shared/src/main/scala/org/scalafmt/rewrite/RedundantBraces.scala
@@ -114,7 +114,8 @@ class RedundantBraces(ftoks: FormatTokens) extends FormatTokensRewrite.Rule {
     // single-arg apply of a partial function
     // a({ case b => c; d }) change to a { case b => c; d }
     def lpPartialFunction = rtOwner match {
-      case ta @ Term.ArgClause(arg :: Nil, _) =>
+      case ta @ Term.ArgClause(arg :: Nil, _)
+          if !ta.parent.exists(_.is[Init]) =>
         getOpeningParen(ta).map { lp =>
           val ko = lp.ne(rt) || getBlockNestedPartialFunction(arg).isEmpty
           if (ko) null else removeToken
diff --git a/scalafmt-tests/src/test/resources/rewrite/RedundantBraces.stat b/scalafmt-tests/src/test/resources/rewrite/RedundantBraces.stat
index fe69a2c724..ef43893387 100644
--- a/scalafmt-tests/src/test/resources/rewrite/RedundantBraces.stat
+++ b/scalafmt-tests/src/test/resources/rewrite/RedundantBraces.stat
@@ -1389,6 +1389,4 @@ object A:
 <<< #3540
 object Bar extends Foo[(Int, String)]({ case (i, s) => () })
 >>>
-test does not parse
-object Bar extends Foo[(Int, String)] { case (i, s) => () }
-                                      ^
+object Bar extends Foo[(Int, String)]({ case (i, s) => () })