// open-coded defer processing)
	want := []string{"runtime.Callers", "runtime_test.TestCallersPanic.func1",
		"runtime.gopanic", "runtime_test.f3", "runtime_test.f2", "runtime_test.f1",
		"runtime_test.TestCallersPanic"}

	defer func() {
		if r := recover(); r == nil {
			t.Fatal("did not panic")
		}
		pcs := make([]uintptr, 20)
		pcs = pcs[:runtime.Callers(0, pcs)]
		testCallers(t, pcs, true)

   * exception is propagated to the caller exactly as-is. If, on the other hand, the time limit is
   * reached, the proxy will attempt to abort the call to the target, and will throw an {@link
   * UncheckedTimeoutException} to the caller.
   *
   * <p>It is important to note that the primary purpose of the proxy object is to return control to

	if toLen < n {
		n = toLen
	}

	if width == 0 {
		return n
	}

	size := uintptr(n) * width
	if raceenabled {
		callerpc := getcallerpc()
		pc := abi.FuncPCABIInternal(slicecopy)
		racereadrangepc(fromPtr, size, callerpc, pc)
		racewriterangepc(toPtr, size, callerpc, pc)
	}
	if msanenabled {
		msanread(fromPtr, size)
		msanwrite(toPtr, size)
	}
	if asanenabled {
		asanread(fromPtr, size)

	useStackPtrs(n-1, b)
}

type structWithMethod struct{}

func (s structWithMethod) caller() string {
	_, file, line, ok := Caller(1)
	if !ok {
		panic("Caller failed")
	}
	return fmt.Sprintf("%s:%d", file, line)
}

func (s structWithMethod) callers() []uintptr {
	pc := make([]uintptr, 16)
	return pc[:Callers(0, pc)]
}

func (s structWithMethod) stack() string {
	buf := make([]byte, 4<<10)

	if !l.Enabled(ctx, level) {
		return
	}
	var pc uintptr
	if !internal.IgnorePC {
		var pcs [1]uintptr
		// skip [runtime.Callers, this function, this function's caller]
		runtime.Callers(3, pcs[:])
		pc = pcs[0]
	}
	r := NewRecord(time.Now(), level, msg, pc)
	r.Add(args...)
	if ctx == nil {
		ctx = context.Background()
	}
	_ = l.Handler().Handle(ctx, r)

 */
func chansend(c *hchan, ep unsafe.Pointer, block bool, callerpc uintptr) bool {
	if c == nil {
		if !block {
			return false
		}
		gopark(nil, nil, waitReasonChanSendNilChan, traceBlockForever, 2)
		throw("unreachable")
	}

	if debugChan {
		print("chansend: chan=", c, "\n")
	}

	if raceenabled {
		racereadpc(c.raceaddr(), callerpc, abi.FuncPCABIInternal(chansend))
	}

	MOVD	$__tsan_go_atomic32_load(SB), R8
	ADD	$32, R1, R6	// addr of caller's 1st arg
	BR	racecallatomic<>(SB)
	RET

TEXT	sync∕atomic·LoadInt64(SB), NOSPLIT, $0-16
	GO_ARGS
	// void __tsan_go_atomic64_load(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
	MOVD	$__tsan_go_atomic64_load(SB), R8
	ADD	$32, R1, R6	// addr of caller's 1st arg
	BR	racecallatomic<>(SB)
	RET

    if (!symbol_uses.has_value()) {
      return failure();
    }
    for (auto use : *symbol_uses) {
      Operation* caller = use.getUser();
      bool changed = false;
      rewriter.startOpModification(caller);
      for (auto [result, type] :
           llvm::zip(caller->getResults(), return_types)) {
        if (result.getType() != type) {
          result.setType(type);
          changed = true;
        }

package runtime

import (
	"internal/abi"
	"internal/goarch"
	"unsafe"
)

func mapaccess1_fast32(t *maptype, h *hmap, key uint32) unsafe.Pointer {
	if raceenabled && h != nil {
		callerpc := getcallerpc()
		racereadpc(unsafe.Pointer(h), callerpc, abi.FuncPCABIInternal(mapaccess1_fast32))
	}
	if h == nil || h.count == 0 {
		return unsafe.Pointer(&zeroVal[0])
	}
	if h.flags&hashWriting != 0 {

	MOVW	n+16(FP), R6
	MOVV	$SYS_write, R2
	SYSCALL
	BEQ	R7, 2(PC)
	SUBVU	R2, R0, R2	// caller expects negative errno
	MOVW	R2, ret+24(FP)
	RET

TEXT runtime·read(SB),NOSPLIT|NOFRAME,$0-28
	MOVW	fd+0(FP), R4
	MOVV	p+8(FP), R5
	MOVW	n+16(FP), R6
	MOVV	$SYS_read, R2
	SYSCALL
	BEQ	R7, 2(PC)
	SUBVU	R2, R0, R2	// caller expects negative errno
	MOVW	R2, ret+24(FP)
	RET