}
			*cause = msg
		}
	}

	// generic cases with specific type terms
	// (generic operands cannot be constants, so we can ignore x.val)
	switch {
	case Vp != nil && Tp != nil:
		x := *x // don't clobber outer x
		return Vp.is(func(V *term) bool {
			if V == nil {
				return false // no specific types
			}
			x.typ = V.typ
			return Tp.is(func(T *term) bool {
				if T == nil {

		return rs, nil
	}

	// Save the generation number we acted on, otherwise we might wrongfully indicate
	// that we've seen a spec update when we retry.
	// TODO: This can clobber an update if we allow multiple agents to write to the
	// same status.
	newStatus.ObservedGeneration = rs.Generation

	var getErr, updateErr error
	var updatedRS *apps.ReplicaSet
	for i, rs := 0, rs; ; i++ {

#define TEB_TlsSlots 0x1480
#define TEB_ArbitraryPtr 0x28

// Note: R0-R7 are args, R8 is indirect return value address,
// R9-R15 are caller-save, R19-R29 are callee-save.
//
// load_g and save_g (in tls_arm64.s) clobber R27 (REGTMP) and R0.

TEXT runtime·asmstdcall_trampoline<ABIInternal>(SB),NOSPLIT,$0
	B	runtime·asmstdcall(SB)

// void runtime·asmstdcall(void *c);
TEXT runtime·asmstdcall(SB),NOSPLIT,$16

// file deals only with the buffer.
//
// The write barrier has a fast path and a slow path. The fast path
// simply enqueues to a per-P write barrier buffer. It's written in
// assembly and doesn't clobber any general purpose registers, so it
// doesn't have the usual overheads of a Go call.
//
// When the buffer fills up, the write barrier invokes the slow path
// (wbBufFlush) to flush the buffer to the GC work queues. In this

	MOVD	8*36(g), g

	// this might be called in external code context,
	// where g is not set.
	// first save R0, because runtime·load_g will clobber it
	MOVD	R0, 8(RSP)		// signum
	MOVB	runtime·iscgo(SB), R0
	CMP 	$0, R0
	// XXX branch destination
	BEQ	2(PC)
	BL	runtime·load_g(SB)

	// Restore signum to R0.
	MOVW	8(RSP), R0
	// R1 and R2 already contain info and ctx, respectively.

	SAVE_R19_TO_R28(8*4)
	SAVE_F8_TO_F15(8*14)

	// this might be called in external code context,
	// where g is not set.
	// first save R0, because runtime·load_g will clobber it
	MOVW	R0, 8(RSP)
	MOVBU	runtime·iscgo(SB), R0
	CMP	$0, R0
	BEQ	2(PC)
	BL	runtime·load_g(SB)

	// Restore signum to R0.
	MOVW	8(RSP), R0
	// R1 and R2 already contain info and ctx, respectively.

// NOTE: gogo assumes load_g only clobers g (R30) and REGTMP (R23)
TEXT runtime·save_g(SB),NOSPLIT|NOFRAME,$0-0
	MOVB	runtime·iscgo(SB), R23
	BEQ	R23, nocgo

	MOVW	R3, R23
	MOVW	g, runtime·tls_g(SB) // TLS relocation clobbers R3
	MOVW	R23, R3

nocgo:
	RET

TEXT runtime·load_g(SB),NOSPLIT|NOFRAME,$0-0
	MOVW	runtime·tls_g(SB), g // TLS relocation clobbers R3
	RET

	"testing"
)

type T struct {
	x [2]int64 // field that will be clobbered. Also makes type not SSAable.
	p *byte    // has a pointer
}

//go:noinline
func makeT() T {
	return T{}
}

var g T

var sink interface{}

func TestIssue15854(t *testing.T) {
	for i := 0; i < 10000; i++ {
		if g.x[0] != 0 {
			t.Fatalf("g.x[0] clobbered with %x\n", g.x[0])
		}

	MOVQ R15, AX // ERROR "when dynamic linking, R15 is clobbered by a global variable access and is used here"
	RET
TEXT ·a8(SB), 0, $0-0
	CMPL runtime·writeBarrier(SB), $0
	ADDQ AX, R15 // ERROR "when dynamic linking, R15 is clobbered by a global variable access and is used here"
	RET
TEXT ·a9(SB), 0, $0-0
	CMPL runtime·writeBarrier(SB), $0
	ORQ R15, R15 // ERROR "when dynamic linking, R15 is clobbered by a global variable access and is used here"
	RET

// thread-local memory, so that we can call externally compiled
// ppc64 code that will overwrite this register.
//
// If !iscgo, this is a no-op.
//
// NOTE: setg_gcc<> assume this clobbers only R31.
TEXT runtime·save_g(SB),NOSPLIT|NOFRAME,$0-0
#ifndef GOOS_aix
#ifndef GOOS_openbsd
	MOVBZ	runtime·iscgo(SB), R31
	CMP	R31, $0
	BEQ	nocgo
#endif
#endif
	MOVD	runtime·tls_g(SB), R31