GCSweepBegin dt=32 stack=28
GCSweepEnd dt=11 swept_value=32768 reclaimed_value=32768
HeapAlloc dt=2 heapalloc_value=107616032
HeapAlloc dt=60 heapalloc_value=107763488
HeapAlloc dt=78 heapalloc_value=107953440
HeapAlloc dt=65 heapalloc_value=108333088
GCSweepBegin dt=38 stack=28
GCSweepEnd dt=5 swept_value=32768 reclaimed_value=32768
HeapAlloc dt=1 heapalloc_value=108423200
GCSweepBegin dt=80 stack=28

(Lsh64x(32|16|8) <t> x y) && !shiftIsBounded(v) => (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] ((ZeroExt32to64|ZeroExt16to64|ZeroExt8to64) y)))

(Lsh32x64 <t> x y) && !shiftIsBounded(v)        => (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] y))

	SYS_RINTL                           = 0xACD // 2765
	SYS___RINTL_B                       = 0xACE // 2766
	SYS_ROUND                           = 0xACF // 2767
	SYS___ROUND_B                       = 0xAD0 // 2768
	SYS___ROUND_H                       = 0xAD1 // 2769
	SYS_ROUNDF                          = 0xAD2 // 2770
	SYS___ROUNDF_B                      = 0xAD3 // 2771
	SYS___ROUNDF_H                      = 0xAD4 // 2772

// file on disk with the arguments, with one arg per line. An actual
// argument starting with '@' means that the rest of the argument is
// a filename of arguments to expand.
//
// See issues 18468 (Windows) and 37768 (Darwin).
func passLongArgsInResponseFiles(cmd *exec.Cmd) (cleanup func()) {
	cleanup = func() {} // no cleanup by default

	var argLen int
	for _, arg := range cmd.Args {
		argLen += len(arg)
	}

ProcStart dt=287 p=2 p_seq=1
GoStart dt=328 g=7 g_seq=1
HeapAlloc dt=7006 heapalloc_value=2793472
HeapAlloc dt=74 heapalloc_value=2801664
GoBlock dt=275 reason_string=12 stack=18
ProcStop dt=34
ProcStart dt=327698 p=0 p_seq=3
ProcStop dt=7
ProcStart dt=2124 p=2 p_seq=3
GoUnblock dt=32 g=24 g_seq=2 stack=0
HeapAlloc dt=302 heapalloc_value=4038656
HeapAlloc dt=104 heapalloc_value=4046848

		}
	}
	if l <= 16380 {
		if l&15 == 0 {
			return C_UAUTO16K_16
		}
		if l&7 == 0 {
			return C_UAUTO16K_8
		}
		if l&3 == 0 {
			return C_UAUTO16K
		}
	}
	if l <= 32760 {
		if l&15 == 0 {
			return C_UAUTO32K_16
		}
		if l&7 == 0 {
			return C_UAUTO32K
		}
	}
	if l <= 65520 && (l&15) == 0 {
		return C_UAUTO64K
	}
	return C_LAUTO
}