[clang] [clang-format] Don't skip stringizing when determining brace kind (PR #73886)

[Owen Pan via cfe-commits]

================
@@ -496,7 +496,7 @@ void UnwrappedLineParser::calculateBraceTypes(bool ExpectClassBody) {
     do {
       NextTok = Tokens->getNextToken();
     } while (NextTok->is(tok::comment));
-    while (NextTok->is(tok::hash)) {
+    while (NextTok->is(tok::hash) && !Line->InPPDirective) {
----------------
owenca wrote:

```suggestion
    while (NextTok->is(tok::hash) && !Line->InMacroBody) {
```
To be precise?

https://github.com/llvm/llvm-project/pull/73886