[clang-format][NFC] Minor cleanup of the parser and annotator

Author: owenca

clang/lib/Format/TokenAnnotator.cpp

@@ -4141,8 +4141,7 @@ bool TokenAnnotator::spaceRequiredBetween(const AnnotatedLine &Line,
             (Style.SpacesInSquareBrackets &&
              Right.MatchingParen->isOneOf(TT_ArraySubscriptLSquare,
                                           TT_StructuredBindingLSquare,
-                                          TT_LambdaLSquare)) ||
-            Right.MatchingParen->is(TT_AttributeParen));
+                                          TT_LambdaLSquare)));
   }
   if (Right.is(tok::l_square) &&
       !Right.isOneOf(TT_ObjCMethodExpr, TT_LambdaLSquare,

clang/lib/Format/UnwrappedLineParser.cpp

@@ -2660,7 +2660,7 @@ void UnwrappedLineParser::handleAttributes() {
   // Handle AttributeMacro, e.g. `if (x) UNLIKELY`.
   if (FormatTok->is(TT_AttributeMacro))
     nextToken();
-  if (FormatTok->is(tok::l_square))
+  else if (FormatTok->is(tok::l_square))
     handleCppAttributes();
 }