Minor: remove outdated EpilogReturn comment, fix typo on manual benchmark interpreter

Author: DSouzaM

truffle/src/com.oracle.truffle.api.benchmark/src/com/oracle/truffle/api/benchmark/bytecode/manual/ManualNodedBytecodeInterpreters.java

@@ -418,7 +418,7 @@ protected Object executeAt(VirtualFrame frame, int startBci, int startSp) throws
                     }
                     // (i -- )
                     case OP_RETURN: {
-                        return FRAMES.expectObject(frame, sp - 1);
+                        return FRAMES.expectInt(frame, sp - 1);
                     }
                     default:
                         CompilerDirectives.shouldNotReachHere();

truffle/src/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/bytecode/generator/BytecodeRootNodeElement.java

@@ -3838,12 +3838,7 @@ private void addEndOperationDoc(OperationModel operation, CodeExecutableElement
             lines.add("<p>");
             lines.add(getOperationSignatureJavadoc(operation));
 
-            if (model.epilogReturn != null && operation == model.epilogReturn.operation) {
-                lines.add("<p>");
-                lines.add(String.format(
-                                "NB: This method does not directly emit %s instructions. Instead, {@link #beforeEmitReturn} uses the operation stack entry to determine that each Return should be preceded by a %s instruction.",
-                                operation.name, operation.name));
-            } else if (operation.kind == OperationKind.TAG) {
+            if (operation.kind == OperationKind.TAG) {
                 lines.add("<p>");
                 lines.add("The tags passed to this method should match the ones used in the corresponding {@link #beginTag} call.");
             }