-> negation of expr \texpr && expr  -> Short-circuit and \texpr
                  || expr  -> Short-circuit or \t( expr ) -> parens for grouping \tall()
                  or the empty selector -> matches all endpoints. \n Label names are
                  allowed to contain alphanumerics, -, _ and /. String literals are
                  more permissive but they do not support escape characters. \n Examples

                  -> negation of expr \texpr && expr  -> Short-circuit and \texpr
                  || expr  -> Short-circuit or \t( expr ) -> parens for grouping \tall()
                  or the empty selector -> matches all endpoints. \n Label names are
                  allowed to contain alphanumerics, -, _ and /. String literals are
                  more permissive but they do not support escape characters. \n Examples

	}
	// x.typ may be generic

	switch x.mode {
	case invalid:
		check.use(call.Args...)
		x.expr = call
		return statement

	case typexpr:
		// conversion
		check.nonGeneric(nil, x)
		if x.mode == invalid {
			return conversion
		}
		T := x.typ
		x.mode = invalid
		switch n := len(call.Args); n {
		case 0:

	} else {
		if ddd {
			// standard_func(a, b, c...)
			//check.errorf(call.Ellipsis, "cannot use ... in call to non-variadic %s", call.Fun)
			check.errorf(call, NonVariadicDotDotDot, "cannot use ... in call to non-variadic %s", call.Fun)
			return
		}
		// standard_func(a, b, c)
	}

	// check argument count
	if nargs != npars {
		var at poser = call
		qualifier := "not enough"
		if nargs > npars {

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zirain <******@****.***> 1684861711 +0800

    if (head == null) { // empty list
      head = tail = node;
      keyToKeyList.put(key, new KeyList<K, V>(node));
      modCount++;
    } else if (nextSibling == null) { // non-empty list, add to tail
      // requireNonNull is safe because the list is non-empty.
      requireNonNull(tail).next = node;
      node.previous = tail;
      tail = node;
      KeyList<K, V> keyList = keyToKeyList.get(key);

	MOVD	g_m(g), R8			// R8 = thread.
	MOVD	m_g0(R8), R8			// R8 = g0.
	CMPBEQ	R8, g, call			// Already on g0?
	MOVD	(g_sched+gobuf_sp)(R8), R15	// Switch SP to g0.
call:	SUB	$160, R15			// Allocate C frame.
	BL	R1				// Call C code.
	MOVD	R7, R15				// Restore SP.
	RET					// Return to Go.

// C->Go callback thunk that allows to call runtime·racesymbolize from C

// goexit is the return stub at the top of every goroutine call stack.
// Each goroutine stack is constructed as if goexit called the
// goroutine's entry point function, so that when the entry point
// function returns, it will return to goexit, which will call goexit1
// to perform the actual exit.
//
// This function must never be called directly. Call goexit1 instead.

	MOVD	g_m(g), R10
	// Switch to g0 stack.
	MOVD	RSP, R19	// callee-saved, preserved across the CALL
	MOVD	R30, R20	// callee-saved, preserved across the CALL
	MOVD	m_g0(R10), R11
	CMP	R11, g
	BEQ	call	// already on g0
	MOVD	(g_sched+gobuf_sp)(R11), R12
	MOVD	R12, RSP
call:
	// Decrement SP past where the frame pointer is saved in the Go arm64