diff --git a/libcxx/.clang-format b/libcxx/.clang-format
--- a/libcxx/.clang-format
+++ b/libcxx/.clang-format
@@ -68,7 +68,9 @@
 NamespaceIndentation: Inner
 PackConstructorInitializers: NextLine
 
-PenaltyIndentedWhitespace: 61
+PenaltyIndentedWhitespace: 1
+PenaltyBreakOpenParenthesis: 300
+PenaltyReturnTypeOnItsOwnLine: 10
 
 Language: Cpp
 Standard: c++20