[clang] [clang-format] Fix a bug in formating `#define A x:` (PR #73220)

[Owen Pan via cfe-commits]

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@@ -1171,6 +1171,13 @@ void UnwrappedLineParser::parsePPDefine() {
   assert((int)Line->PPLevel >= 0);
   Line->InMacroBody = true;
 
+  if (FormatTok->is(tok::identifier) &&
+      Tokens->peekNextToken()->is(tok::colon)) {
+    nextToken();
+    nextToken();
+    addUnwrappedLine();
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owenca wrote:

Good catch!

https://github.com/llvm/llvm-project/pull/73220