Don't drop a token passed to a syntax factory method. (#37493)

* Don't drop a token passed to a syntax factory method.

* Delete unintended comment.
Fixes #37467

src/Compilers/CSharp/Portable/Syntax/MethodDeclarationSyntax.cs

@@ -34,7 +34,18 @@ public partial class SyntaxFactory
             BlockSyntax body,
             SyntaxToken semicolonToken)
         {
-            return SyntaxFactory.MethodDeclaration(attributeLists, modifiers, returnType, explicitInterfaceSpecifier, identifier, typeParameterList, parameterList, constraintClauses, body, null, default(SyntaxToken));
+            return SyntaxFactory.MethodDeclaration(
+                attributeLists,
+                modifiers,
+                returnType,
+                explicitInterfaceSpecifier,
+                identifier,
+                typeParameterList,
+                parameterList,
+                constraintClauses,
+                body,
+                null,
+                semicolonToken);
         }
     }
 }

src/Compilers/CSharp/Test/Syntax/Syntax/SyntaxFactoryTests.cs

@@ -542,5 +542,24 @@ public void TestSpacingOnCoalescing()
             var syntaxNode3 = SyntaxFactory.ParseExpression("x is object??y").NormalizeWhitespace();
             Assert.Equal("x is object ?? y", syntaxNode3.ToFullString());
         }
+
+        [Fact]
+        [WorkItem(37467, "https://github.com/dotnet/roslyn/issues/37467")]
+        public void TestUnnecessarySemicolon()
+        {
+            var syntaxNode = SyntaxFactory.MethodDeclaration(
+                attributeLists: default,
+                modifiers: default,
+                returnType: SyntaxFactory.ParseTypeName("int[]"),
+                explicitInterfaceSpecifier: default,
+                identifier: SyntaxFactory.Identifier("M"),
+                typeParameterList: default,
+                parameterList: SyntaxFactory.ParseParameterList("()"),
+                constraintClauses: default,
+                body: (BlockSyntax)SyntaxFactory.ParseStatement("{}"),
+                semicolonToken: SyntaxFactory.Token(SyntaxKind.SemicolonToken)
+                );
+            Assert.Equal("int[]M(){};", syntaxNode.ToFullString());
+        }
     }
 }