}
		if v.wantErr == nil && r.Len() == 0 {
			t.Errorf("test %d, canary byte unexpectedly consumed", i)
		}
	}
}

// testNonEmptyReader wraps an io.Reader and ensures that
// Read is never called with an empty buffer.
type testNonEmptyReader struct{ io.Reader }

func (r testNonEmptyReader) Read(b []byte) (int, error) {
	if len(b) == 0 {
		return 0, errors.New("unexpected empty Read call")
	}

// license that can be found in the LICENSE file.

// This input was created by taking the instruction productions in
// the old assembler's (7a's) grammar and hand-writing complete
// instructions for each rule, to guarantee we cover the same space.

#include "../../../../../runtime/textflag.h"

TEXT	foo(SB), DUPOK|NOSPLIT, $-8

// arithmetic operations
	ADDW	$1, R2, R3
	ADDW	R1, R2, R3
	ADDW	R1, ZR, R3
	ADD	$1, R2, R3
	ADD	R1, R2, R3

pkg syscall (freebsd-arm64), const DLT_AOS = 222
pkg syscall (freebsd-arm64), const DLT_AOS ideal-int
pkg syscall (freebsd-arm64), const DLT_APPLE_IP_OVER_IEEE1394 = 138
pkg syscall (freebsd-arm64), const DLT_APPLE_IP_OVER_IEEE1394 ideal-int
pkg syscall (freebsd-arm64), const DLT_ARCNET = 7
pkg syscall (freebsd-arm64), const DLT_ARCNET ideal-int
pkg syscall (freebsd-arm64), const DLT_ARCNET_LINUX = 129

pkg syscall (darwin-arm64), const CTL_NET = 4
pkg syscall (darwin-arm64), const CTL_NET ideal-int
pkg syscall (darwin-arm64), const DLT_APPLE_IP_OVER_IEEE1394 = 138
pkg syscall (darwin-arm64), const DLT_APPLE_IP_OVER_IEEE1394 ideal-int
pkg syscall (darwin-arm64), const DLT_ARCNET = 7
pkg syscall (darwin-arm64), const DLT_ARCNET ideal-int
pkg syscall (darwin-arm64), const DLT_ATM_CLIP = 19

pkg image/color, var RGBA64Model Model
pkg image/color, var RGBAModel Model
pkg image/color, var Transparent Alpha16
pkg image/color, var White Gray16
pkg image/color, var YCbCrModel Model
pkg image/draw, const Over Op
pkg image/draw, const Src Op
pkg image/draw, func Draw(Image, image.Rectangle, image.Image, image.Point, Op)
pkg image/draw, func DrawMask(Image, image.Rectangle, image.Image, image.Point, image.Image, image.Point, Op)

			if p != j {
				t.Errorf("IndexByte(%q, %d) = %d", b[i:i+15], 100+j, p)
			}
		}
		for j := 0; j < 15; j++ {
			b[i+j] = 0
		}
	}
	// Make sure matches outside the slice never trigger.
	for i := 0; i <= len(b)-15; i++ {
		for j := 0; j < 15; j++ {
			b[i+j] = 1
		}
		for j := 0; j < 15; j++ {
			p := IndexByte(b[i:i+15], byte(0))
			if p != -1 {

	if _, err = rs.Seek(r.baseOffset+int64(end.directoryOffset), io.SeekStart); err != nil {
		return err
	}
	buf := bufio.NewReader(rs)

	// The count of files inside a zip is truncated to fit in a uint16.
	// Gloss over this by reading headers until we encounter
	// a bad one, and then only report an ErrFormat or UnexpectedEOF if
	// the file count modulo 65536 is incorrect.
	for {
		f := &File{zip: r, zipr: rdr}

	Flags          uint16

	// Method is the compression method. If zero, Store is used.
	Method uint16

	// Modified is the modified time of the file.
	//
	// When reading, an extended timestamp is preferred over the legacy MS-DOS
	// date field, and the offset between the times is used as the timezone.
	// If only the MS-DOS date is present, the timezone is assumed to be UTC.
	//

pkg syscall (freebsd-riscv64), const DLT_AOS = 222 #53466
pkg syscall (freebsd-riscv64), const DLT_AOS ideal-int #53466
pkg syscall (freebsd-riscv64), const DLT_APPLE_IP_OVER_IEEE1394 = 138 #53466
pkg syscall (freebsd-riscv64), const DLT_APPLE_IP_OVER_IEEE1394 ideal-int #53466
pkg syscall (freebsd-riscv64), const DLT_ARCNET = 7 #53466
pkg syscall (freebsd-riscv64), const DLT_ARCNET ideal-int #53466

// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

#include "../../../../../runtime/textflag.h"
// TODO: cover more instruction

TEXT foo(SB),DUPOK|NOSPLIT,$0
	JAL	1(PC)	//CALL 1(PC)	//00040054
	JAL	(R4)	//CALL (R4)	//8100004c
	// relocation in play so the assembled offset should be 0