[clang-format] Fix a bug in annotating TT_PointerOrReference (llvm#136073)

Fix llvm#135972

Author: owenca

clang/lib/Format/TokenAnnotator.cpp

@@ -3026,7 +3026,7 @@ class AnnotatingParser {
 
     if (!NextToken ||
         NextToken->isOneOf(tok::arrow, tok::equal, tok::comma, tok::r_paren,
-                           TT_RequiresClause) ||
+                           TT_RequiresClause, TT_FunctionDeclarationLParen) ||
         (NextToken->is(tok::kw_noexcept) && !IsExpression) ||
         NextToken->canBePointerOrReferenceQualifier() ||
         (NextToken->is(tok::l_brace) && !NextToken->getNextNonComment())) {

clang/unittests/Format/TokenAnnotatorTest.cpp

@@ -389,6 +389,12 @@ TEST_F(TokenAnnotatorTest, UnderstandsUsesOfStarAndAmp) {
   EXPECT_TOKEN(Tokens[19], tok::l_brace, TT_RequiresExpressionLBrace);
   EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_CompoundRequirementLBrace);
   EXPECT_TOKEN(Tokens[22], tok::star, TT_BinaryOperator);
+
+  Tokens = annotate("return s.operator int *();");
+  ASSERT_EQ(Tokens.size(), 10u) << Tokens;
+  EXPECT_TOKEN(Tokens[3], tok::kw_operator, TT_FunctionDeclarationName);
+  EXPECT_TOKEN(Tokens[5], tok::star, TT_PointerOrReference);
+  EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen);
 }
 
 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfPlusAndMinus) {