n.Key = AssignExpr(n.Key)
	}
	if n.Value != nil && n.Value.Typecheck() == 0 {
		n.Value = AssignExpr(n.Value)
	}

	Stmts(n.Body)
}

// tcReturn typechecks an ORETURN node.
func tcReturn(n *ir.ReturnStmt) ir.Node {
	if ir.CurFunc == nil {
		base.FatalfAt(n.Pos(), "return outside function")
	}

	typecheckargs(n)
	if len(n.Results) != 0 {

		return n

	case ir.OFOR:
		n := n.(*ir.ForStmt)
		return tcFor(n)

	case ir.OIF:
		n := n.(*ir.IfStmt)
		return tcIf(n)

	case ir.ORETURN:
		n := n.(*ir.ReturnStmt)
		return tcReturn(n)

	case ir.OTAILCALL:
		n := n.(*ir.TailCallStmt)
		n.Call = typecheck(n.Call, ctxStmt|ctxExpr).(*ir.CallExpr)
		return n

	case ir.OCHECKNIL:
		n := n.(*ir.UnaryExpr)
		return tcCheckNil(n)

template <typename TReturn, typename... TFuncArgs>
class CallableWrapperUnpackArgs<TReturn (*)(TFuncArgs...)>
    : public CallableWrapper<TReturn (*)(TFuncArgs...), TReturn, TFuncArgs...> {
  using Fn = TReturn (*)(TFuncArgs...);

 public:
  CallableWrapperUnpackArgs(Fn fn, const char* name)
      : CallableWrapper<Fn, TReturn, TFuncArgs...>(fn, name) {}
};

              synchronized (loadedClasses) {
                Class<?> toReturn = loadedClasses.get(name);
                if (toReturn == null) {
                  toReturn = super.findClass(name);
                  loadedClasses.put(name, toReturn);
                }
                return toReturn;
              }
            }
            return super.loadClass(name);
          }
        };

              synchronized (loadedClasses) {
                Class<?> toReturn = loadedClasses.get(name);
                if (toReturn == null) {
                  toReturn = super.findClass(name);
                  loadedClasses.put(name, toReturn);
                }
                return toReturn;
              }
            }
            return super.loadClass(name);
          }
        };

              synchronized (loadedClasses) {
                Class<?> toReturn = loadedClasses.get(name);
                if (toReturn == null) {
                  toReturn = super.findClass(name);
                  loadedClasses.put(name, toReturn);
                }
                return toReturn;
              }
            }
            return super.loadClass(name);
          }
        };

    }

    @Override
    public Object[] isolate() {
        Object[] toReturn = (Object[]) Array.newInstance(arrayType, elements.size());
        for (int i = 0; i < elements.size(); i++) {
            Isolatable<?> element = elements.get(i);
            toReturn[i] = element.isolate();
        }
        return toReturn;
    }

    @Nullable
    @Override
    public <S> S coerce(Class<S> type) {

		if k != "" {
			keys = append(keys, k)
		}
	}
	sort.Strings(keys)
	for _, k := range keys {
		fmt.Fprintf(&buf, "\tcase %s:\n\t\treturn %s\n", quote(k), quote(defaultcc[k]))
	}
	fmt.Fprintf(&buf, "\t}\n")
	if cc := defaultcc[""]; cc != "" {
		fmt.Fprintf(&buf, "\treturn %s\n", quote(cc))
	} else {
		clang, gcc := "clang", "gcc"
		if strings.HasSuffix(name, "CXX") {
			clang, gcc = "clang++", "g++"
		}

        // to currentFuture doesn't race with itself so that currentFuture is assigned in the
        // correct order.
        Throwable scheduleFailure = null;
        Cancellable toReturn;
        lock.lock();
        try {
          toReturn = initializeOrUpdateCancellationDelegate(schedule);
        } catch (Throwable e) {
          // Any Exception is either a RuntimeException or sneaky checked exception.
          //

		} elsif($type eq "string" && $errvar ne "") {
			$text .= "\tvar _p$n $strconvtype\n";
			$text .= "\t_p$n, $errvar = $strconvfunc($name)\n";
			$text .= "\tif $errvar != nil {\n\t\treturn\n\t}\n";
			push @args, "uintptr(unsafe.Pointer(_p$n))";
			$n++;
		} elsif($type eq "string") {
			print STDERR "$ARGV:$.: $func uses string arguments, but has no error return\n";