Parse comments after } in function declaration

src/dparse/parser.d

@@ -3561,6 +3561,10 @@ class Parser
             mixin(parseNodeQ!(`node.constraint`, `Constraint`));
 
         mixin(parseNodeQ!(`node.functionBody`, `FunctionBody`));
+        if (node.functionBody &&
+            node.functionBody.specifiedFunctionBody &&
+            node.functionBody.specifiedFunctionBody.blockStatement)
+            attachComment(node, node.functionBody.specifiedFunctionBody.blockStatement.tokens[$ - 1].trailingComment);
         ownArray(node.memberFunctionAttributes, memberFunctionAttributes);
         node.tokens = tokens[startIndex .. index];
         return node;
@@ -8933,21 +8937,26 @@ protected: final:
             ~ `else {` ~ Exp ~ ` = *t; }}`;
     }
 
-    T attachCommentFromSemicolon(T)(T node, size_t startIndex)
+    void attachComment(T)(T node, string comment)
     {
-        auto semicolon = expect(tok!";");
-        if (semicolon is null)
-            return null;
-        if (semicolon.trailingComment !is null)
+        if (comment !is null)
         {
             if (node.comment is null)
-                node.comment = semicolon.trailingComment;
+                node.comment = comment;
             else
             {
                 node.comment ~= "\n";
-                node.comment ~= semicolon.trailingComment;
+                node.comment ~= comment;
             }
         }
+    }
+
+    T attachCommentFromSemicolon(T)(T node, size_t startIndex)
+    {
+        auto semicolon = expect(tok!";");
+        if (semicolon is null)
+            return null;
+        attachComment(node, semicolon.trailingComment);
         if (node) node.tokens = tokens[startIndex .. index];
         return node;
     }

test/ast_checks/oneLineFunctionDoc.d

@@ -0,0 +1 @@
+void fun() {} /// Test

test/ast_checks/oneLineFunctionDoc.txt

@@ -0,0 +1 @@
+//functionDeclaration/ddoc