go tool can find the go_android_$GOARCH_exec wrapper generated by
make.bash. For example, to run the go1 benchmarks

	export PATH=$GOROOT/bin:$PATH
	cd $GOROOT/test/bench/go1/

pkg net, type DNSError struct, UnwrapErr error #63116
pkg net, type Dialer struct, KeepAliveConfig KeepAliveConfig #62254
pkg net, type KeepAliveConfig struct #62254
pkg net, type KeepAliveConfig struct, Count int #62254
pkg net, type KeepAliveConfig struct, Enable bool #62254
pkg net, type KeepAliveConfig struct, Idle time.Duration #62254
pkg net, type KeepAliveConfig struct, Interval time.Duration #62254

// POPCNT treats the input register as a vector of 8 bytes, producing
// a population count for each individual byte. For inputs larger than
// a single byte we therefore need to sum the individual bytes produced
// by the POPCNT instruction. For example, the following instruction
// sequence could be used to calculate the population count of a 4-byte
// value:
//
//     MOVD   $0x12345678, R1 // R1=0x12345678 <-- input

(Neg(32|64)F ...) => (NEG(F|D) ...)

(Com(32|16|8) x) => (NORconst [0] x)

(Sqrt ...) => (SQRTD ...)
(Sqrt32 ...) => (SQRTF ...)

// TODO: optimize this case?
(Ctz32NonZero ...) => (Ctz32 ...)

// count trailing zero
// 32 - CLZ(x&-x - 1)
(Ctz32 <t> x) => (SUB (MOVWconst [32]) (CLZ <t> (SUBconst <t> [1] (AND <t> x (NEG <t> x)))))

// bit length
(BitLen32 <t> x) => (SUB (MOVWconst [32]) (CLZ <t> x))

(Sqrt32 ...) => (SQRTF ...)
(Abs ...) => (ABSD ...)

// TODO: optimize this for ARMv5 and ARMv6
(Ctz32NonZero ...) => (Ctz32 ...)
(Ctz16NonZero ...) => (Ctz32 ...)
(Ctz8NonZero ...) => (Ctz32 ...)

// count trailing zero for ARMv5 and ARMv6
// 32 - CLZ(x&-x - 1)
(Ctz32 <t> x) && buildcfg.GOARM.Version<=6 =>
	(RSBconst [32] (CLZ <t> (SUBconst <t> (AND <t> x (RSBconst <t> [0] x)) [1])))
(Ctz16 <t> x) && buildcfg.GOARM.Version<=6 =>

pkg bufio, var ErrInvalidUnreadRune error
pkg bufio, var ErrNegativeCount error
pkg bytes, const MinRead ideal-int
pkg bytes, func Compare([]uint8, []uint8) int
pkg bytes, func Contains([]uint8, []uint8) bool
pkg bytes, func Count([]uint8, []uint8) int
pkg bytes, func Equal([]uint8, []uint8) bool
pkg bytes, func EqualFold([]uint8, []uint8) bool
pkg bytes, func Fields([]uint8) [][]uint8
pkg bytes, func FieldsFunc([]uint8, func(int32) bool) [][]uint8

pkg syscall (darwin-arm64), type Msghdr struct, Pad_cgo_1 [4]uint8
pkg syscall (darwin-arm64), type Radvisory_t struct
pkg syscall (darwin-arm64), type Radvisory_t struct, Count int32
pkg syscall (darwin-arm64), type Radvisory_t struct, Offset int64
pkg syscall (darwin-arm64), type Radvisory_t struct, Pad_cgo_0 [4]uint8
pkg syscall (darwin-arm64), type RawSockaddr struct, Data [14]int8

pkg regexp/syntax, const ErrInvalidPerlOp = "invalid or unsupported Perl syntax"
pkg regexp/syntax, const ErrInvalidRepeatOp = "invalid nested repetition operator"
pkg regexp/syntax, const ErrInvalidRepeatSize = "invalid repeat count"
pkg regexp/syntax, const ErrInvalidUTF8 = "invalid UTF-8"
pkg regexp/syntax, const ErrMissingBracket = "missing closing ]"
pkg regexp/syntax, const ErrMissingParen = "missing closing )"