all: fix typos detected by github.com/client9/misspell

Change-Id: Iadb3c5de8ae9ea45855013997ed70f7929a88661
GitHub-Last-Rev: ae85bcf82b
GitHub-Pull-Request: golang/go#26920
Reviewed-on: https://go-review.googlesource.com/128955
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

misc/cgo/test/issue9400_linux.go

@@ -41,7 +41,7 @@ func test9400(t *testing.T) {
 
 	// Grow the stack and put down a test pattern
 	const pattern = 0x123456789abcdef
-	var big [1024]uint64 // len must match assmebly
+	var big [1024]uint64 // len must match assembly
 	for i := range big {
 		big[i] = pattern
 	}

misc/cgo/testshared/shared_test.go

@@ -560,7 +560,7 @@ func TestNotes(t *testing.T) {
 			abiHashNoteFound = true
 		case 3: // ELF_NOTE_GODEPS_TAG
 			if depsNoteFound {
-				t.Error("multiple depedency list notes")
+				t.Error("multiple dependency list notes")
 			}
 			testDepsNote(t, f, note)
 			depsNoteFound = true

src/bytes/buffer_test.go

@@ -293,7 +293,7 @@ func TestReadFromPanicReader(t *testing.T) {
 	}
 	check(t, "TestReadFromPanicReader (1)", &buf, "")
 
-	// Confirm that when Reader panics, the emtpy buffer remains empty
+	// Confirm that when Reader panics, the empty buffer remains empty
 	var buf2 Buffer
 	defer func() {
 		recover()

src/cmd/asm/internal/asm/operand_test.go

@@ -33,7 +33,7 @@ func newParser(goarch string) *Parser {
 
 // tryParse executes parse func in panicOnError=true context.
 // parse is expected to call any parsing methods that may panic.
-// Returns error gathered from recover; nil if no parse errors occured.
+// Returns error gathered from recover; nil if no parse errors occurred.
 //
 // For unexpected panics, calls t.Fatal.
 func tryParse(t *testing.T, parse func()) (err error) {

src/cmd/asm/internal/asm/testdata/amd64enc_extra.s

@@ -911,7 +911,7 @@ TEXT asmtest(SB),DUPOK|NOSPLIT,$0
 	VADDPD.BCST.Z (AX), Z2, K1, Z1 // 62f1edd95808
 	VMAXPD.BCST (AX), Z2, K1, Z1   // 62f1ed595f08
 	VMAXPD.BCST.Z (AX), Z2, K1, Z1 // 62f1edd95f08
-	// EVEX: surpress all exceptions (SAE).
+	// EVEX: suppress all exceptions (SAE).
 	VMAXPD.SAE   Z3, Z2, K1, Z1   // 62f1ed595fcb or 62f1ed195fcb
 	VMAXPD.SAE.Z Z3, Z2, K1, Z1   // 62f1edd95fcb or 62f1ed995fcb
 	VMAXPD (AX), Z2, K1, Z1       // 62f1ed495f08

src/cmd/compile/internal/gc/ssa.go

@@ -5710,7 +5710,7 @@ func (n *Node) StorageClass() ssa.StorageClass {
 	case PAUTO:
 		return ssa.ClassAuto
 	default:
-		Fatalf("untranslateable storage class for %v: %s", n, n.Class())
+		Fatalf("untranslatable storage class for %v: %s", n, n.Class())
 		return 0
 	}
 }

src/cmd/compile/internal/ssa/deadstore.go

@@ -133,7 +133,7 @@ func dse(f *Func) {
 	}
 }
 
-// elimDeadAutosGeneric deletes autos that are never accessed. To acheive this
+// elimDeadAutosGeneric deletes autos that are never accessed. To achieve this
 // we track the operations that the address of each auto reaches and if it only
 // reaches stores then we delete all the stores. The other operations will then
 // be eliminated by the dead code elimination pass.

src/cmd/go/internal/cache/default_unix_test.go

@@ -62,6 +62,6 @@ func TestDefaultDir(t *testing.T) {
 	os.Setenv("HOME", "/")
 	if _, showWarnings := defaultDir(); showWarnings {
 		// https://golang.org/issue/26280
-		t.Error("Cache initalization warnings should be squelched when $GOCACHE and $XDG_CACHE_HOME are unset and $HOME is /")
+		t.Error("Cache initialization warnings should be squelched when $GOCACHE and $XDG_CACHE_HOME are unset and $HOME is /")
 	}
 }

src/cmd/go/internal/modload/load.go

@@ -758,7 +758,7 @@ func (pkg *loadPkg) stackText() string {
 }
 
 // why returns the text to use in "go mod why" output about the given package.
-// It is less ornate than the stackText but conatins the same information.
+// It is less ornate than the stackText but contains the same information.
 func (pkg *loadPkg) why() string {
 	var buf strings.Builder
 	var stack []*loadPkg

src/cmd/go/internal/work/exec.go

@@ -2858,7 +2858,7 @@ func useResponseFile(path string, argLen int) bool {
 	}
 
 	// On the Go build system, use response files about 10% of the
-	// time, just to excercise this codepath.
+	// time, just to exercise this codepath.
 	isBuilder := os.Getenv("GO_BUILDER_NAME") != ""
 	if isBuilder && rand.Intn(10) == 0 {
 		return true

src/cmd/trace/annotations.go

@@ -439,6 +439,7 @@ func (task *taskDesc) complete() bool {
 }
 
 // descendents returns all the task nodes in the subtree rooted from this task.
+// TODO: the method name is misspelled
 func (task *taskDesc) decendents() []*taskDesc {
 	if task == nil {
 		return nil

src/crypto/aes/gcm_arm64.s

@@ -434,7 +434,7 @@ TEXT ·gcmAesEnc(SB),NOSPLIT,$0
 	VLD1	(tPtr), [ACC0.B16]
 	VEOR	ACC1.B16, ACC1.B16, ACC1.B16
 	VEOR	ACCM.B16, ACCM.B16, ACCM.B16
-	// Prepare intial counter, and the increment vector
+	// Prepare initial counter, and the increment vector
 	VLD1	(ctrPtr), [CTR.B16]
 	VEOR	INC.B16, INC.B16, INC.B16
 	MOVD	$1, H0
@@ -733,7 +733,7 @@ TEXT ·gcmAesDec(SB),NOSPLIT,$0
 	VLD1	(tPtr), [ACC0.B16]
 	VEOR	ACC1.B16, ACC1.B16, ACC1.B16
 	VEOR	ACCM.B16, ACCM.B16, ACCM.B16
-	// Prepare intial counter, and the increment vector
+	// Prepare initial counter, and the increment vector
 	VLD1	(ctrPtr), [CTR.B16]
 	VEOR	INC.B16, INC.B16, INC.B16
 	MOVD	$1, H0
@@ -969,7 +969,7 @@ tail:
 tailLast:
 	VEOR	KLAST.B16, B0.B16, B0.B16
 
-	// Assuming it is safe to load past dstPtr due to the presense of the tag
+	// Assuming it is safe to load past dstPtr due to the presence of the tag
 	VLD1	(srcPtr), [B5.B16]
 
 	VEOR	B5.B16, B0.B16, B0.B16

src/crypto/x509/verify.go

@@ -861,7 +861,7 @@ nextIntermediate:
 }
 
 // validHostname returns whether host is a valid hostname that can be matched or
-// matched against according to RFC 6125 2.2, with some leniency to accomodate
+// matched against according to RFC 6125 2.2, with some leniency to accommodate
 // legacy values.
 func validHostname(host string) bool {
 	host = strings.TrimSuffix(host, ".")

src/internal/bytealg/index_arm64.s

@@ -32,7 +32,7 @@ TEXT indexbody<>(SB),NOSPLIT,$0-56
 	// to avoid repeatedly re-load it again and again
 	// for sebsequent substring comparisons
 	SUB	R3, R1, R4
-	// R4 contains the start of last substring for comparsion
+	// R4 contains the start of last substring for comparison
 	ADD	R0, R4, R4
 	ADD	$1, R0, R8
 

src/internal/trace/goroutines.go

@@ -37,7 +37,7 @@ type UserRegionDesc struct {
 
 	// Region end event. Normally EvUserRegion end event or nil,
 	// but can be EvGoStop or EvGoEnd event if the goroutine
-	// terminated without explicitely ending the region.
+	// terminated without explicitly ending the region.
 	End *Event
 
 	GExecutionStat

src/os/user/user.go

@@ -11,7 +11,7 @@ parses /etc/passwd and /etc/group. The other is cgo-based and relies on
 the standard C library (libc) routines such as getpwuid_r and getgrnam_r.
 
 When cgo is available, cgo-based (libc-backed) code is used by default.
-This can be overriden by using osusergo build tag, which enforces
+This can be overridden by using osusergo build tag, which enforces
 the pure Go implementation.
 */
 package user

src/runtime/asm_amd64.s

@@ -1472,7 +1472,7 @@ GLOBL	debugCallFrameTooLarge<>(SB), RODATA, $0x14	// Size duplicated below
 // This function communicates back to the debugger by setting RAX and
 // invoking INT3 to raise a breakpoint signal. See the comments in the
 // implementation for the protocol the debugger is expected to
-// follow. InjectDebugCall in the runtime tests demonstates this protocol.
+// follow. InjectDebugCall in the runtime tests demonstrates this protocol.
 //
 // The debugger must ensure that any pointers passed to the function
 // obey escape analysis requirements. Specifically, it must not pass

src/runtime/sys_windows_amd64.s

@@ -363,7 +363,7 @@ TEXT runtime·tstart_stdcall(SB),NOSPLIT,$0
 	// Layout new m scheduler stack on os stack.
 	MOVQ	SP, AX
 	MOVQ	AX, (g_stack+stack_hi)(DX)
-	SUBQ	$(64*1024), AX		// inital stack size (adjusted later)
+	SUBQ	$(64*1024), AX		// initial stack size (adjusted later)
 	MOVQ	AX, (g_stack+stack_lo)(DX)
 	ADDQ	$const__StackGuard, AX
 	MOVQ	AX, g_stackguard0(DX)

src/time/time.go

@@ -1076,7 +1076,7 @@ func (t Time) Local() Time {
 	return t
 }
 
-// In returns a copy of t representating the same time instant, but
+// In returns a copy of t representing the same time instant, but
 // with the copy's location information set to loc for display
 // purposes.
 //

test/fixedbugs/issue22662b.go

@@ -18,7 +18,7 @@ import (
 )
 
 // Each of these tests is expected to fail (missing package clause)
-// at the position determined by the preceeding line directive.
+// at the position determined by the preceding line directive.
 var tests = []struct {
 	src, pos string
 }{

test/live.go

@@ -465,7 +465,7 @@ func f29(b bool) {
 // copy of array of pointers should die at end of range loop
 var pstructarr [10]pstruct
 
-// Struct size choosen to make pointer to element in pstructarr
+// Struct size chosen to make pointer to element in pstructarr
 // not computable by strength reduction.
 type pstruct struct {
 	intp *int

test/run.go

@@ -435,7 +435,7 @@ func (ctxt *context) match(name string) bool {
 func init() { checkShouldTest() }
 
 // goGcflags returns the -gcflags argument to use with go build / go run.
-// This must match the flags used for building the standard libary,
+// This must match the flags used for building the standard library,
 // or else the commands will rebuild any needed packages (like runtime)
 // over and over.
 func goGcflags() string {