func racereleasemergeg(gp *g, addr unsafe.Pointer)                          { throw("race") }
func racefingo()                                                            { throw("race") }
func racemalloc(p unsafe.Pointer, sz uintptr)                               { throw("race") }
func racefree(p unsafe.Pointer, sz uintptr)                                 { throw("race") }

		racearenastart = uintptr(addr)
	}
	if racearenaend < uintptr(addr)+size {
		racearenaend = uintptr(addr) + size
	}
	racecall(&__tsan_map_shadow, uintptr(addr), size, 0, 0)
}

//go:nosplit
func racemalloc(p unsafe.Pointer, sz uintptr) {
	racecall(&__tsan_malloc, 0, 0, uintptr(p), sz)
}

//go:nosplit
func racefree(p unsafe.Pointer, sz uintptr) {
	racecall(&__tsan_free, uintptr(p), sz, 0, 0)
}

	}

	if traceAllocFreeEnabled() {
		trace := traceTryAcquire()
		if trace.ok() {
			trace.GoroutineStackAlloc(uintptr(v), uintptr(n))
			traceRelease(trace)
		}
	}
	if raceenabled {
		racemalloc(v, uintptr(n))
	}
	if msanenabled {
		msanmalloc(v, uintptr(n))
	}
	if asanenabled {
		asanunpoison(v, uintptr(n))
	}
	if stackDebug >= 1 {
		print("  allocated ", v, "\n")
	}

	// a race marking the bit.
	if gcphase != _GCoff {
		gcmarknewobject(span, span.base())
	}

	if raceenabled {
		// TODO(mknyszek): Track individual objects.
		racemalloc(unsafe.Pointer(span.base()), span.elemsize)
	}

	if msanenabled {
		// TODO(mknyszek): Track individual objects.
		msanmalloc(unsafe.Pointer(span.base()), span.elemsize)
	}

	if asanenabled {

	// This may be racing with GC so do it atomically if there can be
	// a race marking the bit.
	if gcphase != _GCoff {
		gcmarknewobject(span, uintptr(x))
	}

	if raceenabled {
		racemalloc(x, size)
	}

	if msanenabled {
		msanmalloc(x, size)
	}

	if asanenabled {
		// We should only read/write the memory with the size asked by the user.

		systemstack(func() {
			gp.stack = stackalloc(startingStackSize)
		})
		gp.stackguard0 = gp.stack.lo + stackGuard
	} else {
		if raceenabled {
			racemalloc(unsafe.Pointer(gp.stack.lo), gp.stack.hi-gp.stack.lo)
		}
		if msanenabled {
			msanmalloc(unsafe.Pointer(gp.stack.lo), gp.stack.hi-gp.stack.lo)
		}
		if asanenabled {