[clang] [clang-format] Add option AllowShortRecordOnASingleLine (PR #154580)

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In-Reply-To: <llvm.org/llvm/llvm-project/pull/154580 at github.com>


owenca wrote:

Hmm. Now the following is broken.

`.clang-format` file:
```
AllowShortBlocksOnASingleLine: Always
AllowShortRecordOnASingleLine: Empty
BreakBeforeBraces: Custom
BraceWrapping:
  AfterClass: true
```
Expected:
```c++
class foo
{ int i; };
```
Actual:
```c++
class foo { int i;};
```

https://github.com/llvm/llvm-project/pull/154580