[clang] [clang-format] Add KwBreakBeforeCaseLabel (PR #227668)

[Björn Schäpers via cfe-commits]

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@@ -2833,6 +2833,56 @@ TEST_F(FormatTest, FormatsSwitchStatement) {
                Style);
 }
 
+TEST_F(FormatTest, FormatsSwitchStatementKwBreakBeforeCase) {
+  FormatStyle Style = getLLVMStyle();
+  Style.IndentCaseLabels = true;
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HazardyKnusperkeks wrote:

Can we get a test without this option?

https://github.com/llvm/llvm-project/pull/227668