[clang] [clang-format] allow short function body on a single line (PR #151428)

[via cfe-commits]

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@@ -14996,6 +14996,29 @@ TEST_F(FormatTest, SplitEmptyFunctionButNotRecord) {
                Style);
 }
 
+TEST_F(FormatTest, SplitShortFunction) {
+  FormatStyle Style = getLLVMStyleWithColumns(40);
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owenca wrote:

We've been consistently using `auto` in place of `FormatStyle` and other types for a few years now. Also, there's no need for `ColumnLimit: 40` here now.

https://github.com/llvm/llvm-project/pull/151428