all: remove newline characters after return statements

This commit is aimed at improving the readability and consistency
of the code base. Extraneous newline characters were present after
some return statements, creating unnecessary separation in the code.

Fixes #64610

Change-Id: Ic1b05bf11761c4dff22691c2f1c3755f66d341f7
Reviewed-on: https://go-review.googlesource.com/c/go/+/548316
Auto-Submit: Dmitri Shuralyov <[email protected]>
LUCI-TryBot-Result: Go LUCI <[email protected]>
Reviewed-by: Michael Pratt <[email protected]>
Reviewed-by: Dmitri Shuralyov <[email protected]>
Reviewed-by: Dmitri Shuralyov <[email protected]>

Author: Danil Timerbulatov

src/cmd/compile/internal/base/hashdebug.go

@@ -204,7 +204,6 @@ func NewHashDebug(ev, s string, file io.Writer) *HashDebug {
 		i++
 	}
 	return hd
-
 }
 
 // TODO: Delete when we switch to bisect-only.

src/cmd/compile/internal/loopvar/loopvar_test.go

@@ -251,7 +251,7 @@ func TestLoopVarVersionEnableFlag(t *testing.T) {
 
 	t.Logf(m)
 
-	yCount := strings.Count(m, "opt.go:16:6: loop variable private now per-iteration, heap-allocated (loop inlined into ./opt.go:30)")
+	yCount := strings.Count(m, "opt.go:16:6: loop variable private now per-iteration, heap-allocated (loop inlined into ./opt.go:29)")
 	nCount := strings.Count(m, "shared")
 
 	if yCount != 1 {
@@ -290,7 +290,7 @@ func TestLoopVarVersionEnableGoBuild(t *testing.T) {
 
 	t.Logf(m)
 
-	yCount := strings.Count(m, "opt-122.go:18:6: loop variable private now per-iteration, heap-allocated (loop inlined into ./opt-122.go:32)")
+	yCount := strings.Count(m, "opt-122.go:18:6: loop variable private now per-iteration, heap-allocated (loop inlined into ./opt-122.go:31)")
 	nCount := strings.Count(m, "shared")
 
 	if yCount != 1 {
@@ -329,7 +329,7 @@ func TestLoopVarVersionDisableFlag(t *testing.T) {
 
 	t.Logf(m) // expect error
 
-	yCount := strings.Count(m, "opt.go:16:6: loop variable private now per-iteration, heap-allocated (loop inlined into ./opt.go:30)")
+	yCount := strings.Count(m, "opt.go:16:6: loop variable private now per-iteration, heap-allocated (loop inlined into ./opt.go:29)")
 	nCount := strings.Count(m, "shared")
 
 	if yCount != 0 {
@@ -368,7 +368,7 @@ func TestLoopVarVersionDisableGoBuild(t *testing.T) {
 
 	t.Logf(m) // expect error
 
-	yCount := strings.Count(m, "opt-121.go:18:6: loop variable private now per-iteration, heap-allocated (loop inlined into ./opt-121.go:32)")
+	yCount := strings.Count(m, "opt-121.go:18:6: loop variable private now per-iteration, heap-allocated (loop inlined into ./opt-121.go:31)")
 	nCount := strings.Count(m, "shared")
 
 	if yCount != 0 {

src/cmd/compile/internal/loopvar/testdata/opt-121.go

@@ -19,7 +19,6 @@ func inline(j, k int) []*int {
 		a = append(a, &private)
 	}
 	return a
-
 }
 
 //go:noinline

src/cmd/compile/internal/loopvar/testdata/opt-122.go

@@ -19,7 +19,6 @@ func inline(j, k int) []*int {
 		a = append(a, &private)
 	}
 	return a
-
 }
 
 //go:noinline

src/cmd/compile/internal/loopvar/testdata/opt.go

@@ -17,7 +17,6 @@ func inline(j, k int) []*int {
 		a = append(a, &private)
 	}
 	return a
-
 }
 
 //go:noinline

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

@@ -721,7 +721,6 @@ func (f *Func) ConstOffPtrSP(t *types.Type, c int64, sp *Value) *Value {
 		v.AddArg(sp)
 	}
 	return v
-
 }
 
 func (f *Func) Frontend() Frontend                                  { return f.fe }

src/cmd/compile/internal/test/testdata/ctl_test.go

@@ -70,7 +70,6 @@ func switch_ssa(a int) int {
 		ret += 1
 	}
 	return ret
-
 }
 
 func fallthrough_ssa(a int) int {
@@ -92,7 +91,6 @@ func fallthrough_ssa(a int) int {
 		ret++
 	}
 	return ret
-
 }
 
 func testFallthrough(t *testing.T) {

src/cmd/link/internal/loadxcoff/ldxcoff.go

@@ -155,7 +155,6 @@ func Load(l *loader.Loader, arch *sys.Arch, localSymVersion int, input *bio.Read
 		}
 	}
 	return textp, nil
-
 }
 
 // Convert symbol xcoff type to sym.SymKind

src/cmd/link/internal/mips/obj.go

@@ -103,5 +103,4 @@ func archinit(ctxt *ld.Link) {
 func adddynrel(target *ld.Target, ldr *loader.Loader, syms *ld.ArchSyms, s loader.Sym, r loader.Reloc, rIdx int) bool {
 	ld.Exitf("adddynrel currently unimplemented for MIPS")
 	return false
-
 }

src/cmd/link/internal/ppc64/asm.go

@@ -917,7 +917,6 @@ func xcoffreloc1(arch *sys.Arch, out *ld.OutBuf, ldr *loader.Loader, s loader.Sy
 		emitReloc(ld.XCOFF_R_REF|0x3F<<8, 0)
 	}
 	return true
-
 }
 
 func elfreloc1(ctxt *ld.Link, out *ld.OutBuf, ldr *loader.Loader, s loader.Sym, r loader.ExtReloc, ri int, sectoff int64) bool {

src/database/sql/convert.go

@@ -203,7 +203,6 @@ func driverArgsConnLocked(ci driver.Conn, ds *driverStmt, args []any) ([]driver.
 	}
 
 	return nvargs, nil
-
 }
 
 // convertAssign is the same as convertAssignRows, but without the optional

src/hash/fnv/fnv.go

@@ -241,7 +241,6 @@ func (s *sum64) MarshalBinary() ([]byte, error) {
 	b = append(b, magic64...)
 	b = appendUint64(b, uint64(*s))
 	return b, nil
-
 }
 
 func (s *sum64a) MarshalBinary() ([]byte, error) {

src/internal/bisect/bisect.go

@@ -482,7 +482,6 @@ func (m *Matcher) stack(w Writer) bool {
 		}
 	}
 	return m.ShouldEnable(h)
-
 }
 
 // Writer is the same interface as io.Writer.

src/internal/syscall/unix/at_fstatat.go

@@ -24,5 +24,4 @@ func Fstatat(dirfd int, path string, stat *syscall.Stat_t, flags int) error {
 	}
 
 	return nil
-
 }

src/log/slog/logger.go

@@ -145,7 +145,6 @@ func (l *Logger) WithGroup(name string) *Logger {
 	c := l.clone()
 	c.handler = l.handler.WithGroup(name)
 	return c
-
 }
 
 // New creates a new Logger with the given non-nil Handler.

src/math/big/float_test.go

@@ -194,13 +194,11 @@ func alike(x, y *Float) bool {
 func alike32(x, y float32) bool {
 	// we can ignore NaNs
 	return x == y && math.Signbit(float64(x)) == math.Signbit(float64(y))
-
 }
 
 func alike64(x, y float64) bool {
 	// we can ignore NaNs
 	return x == y && math.Signbit(x) == math.Signbit(y)
-
 }
 
 func TestFloatMantExp(t *testing.T) {

src/net/http/server.go

@@ -3812,7 +3812,6 @@ func numLeadingCRorLF(v []byte) (n int) {
 		break
 	}
 	return
-
 }
 
 func strSliceContains(ss []string, s string) bool {

src/os/file_plan9.go

@@ -542,7 +542,6 @@ func tempDir() string {
 		dir = "/tmp"
 	}
 	return dir
-
 }
 
 // Chdir changes the current working directory to the file,

src/runtime/os2_aix.go

@@ -428,7 +428,6 @@ func write1(fd uintptr, p unsafe.Pointer, n int32) int32 {
 	}
 	// Note that in this case we can't return a valid errno value.
 	return write2(fd, uintptr(p), n)
-
 }
 
 //go:nosplit
@@ -641,7 +640,6 @@ func sysconf(name int32) uintptr {
 		throw("syscall sysconf")
 	}
 	return r
-
 }
 
 // pthread functions returns its error code in the main return value

src/runtime/runtime1.go

@@ -623,7 +623,6 @@ func reflect_resolveTypeOff(rtype unsafe.Pointer, off int32) unsafe.Pointer {
 //go:linkname reflect_resolveTextOff reflect.resolveTextOff
 func reflect_resolveTextOff(rtype unsafe.Pointer, off int32) unsafe.Pointer {
 	return toRType((*_type)(rtype)).textOff(textOff(off))
-
 }
 
 // reflectlite_resolveNameOff resolves a name offset from a base pointer.

src/runtime/syscall_aix.go

@@ -164,7 +164,6 @@ func syscall_exit(code uintptr) {
 func syscall_fcntl1(fd, cmd, arg uintptr) (val, err uintptr) {
 	val, err = syscall3(&libc_fcntl, fd, cmd, arg)
 	return
-
 }
 
 //go:linkname syscall_forkx syscall.forkx

src/runtime/traceback_test.go

@@ -461,7 +461,6 @@ func testTracebackArgs2(a bool, b struct {
 		return b.a + b.b + b.c + b.x[0] + b.x[1] + int(d[0]) + int(d[1]) + int(d[2])
 	}
 	return n
-
 }
 
 //go:noinline

src/text/template/parse/node.go

@@ -284,7 +284,6 @@ func (a *ActionNode) tree() *Tree {
 
 func (a *ActionNode) Copy() Node {
 	return a.tr.newAction(a.Pos, a.Line, a.Pipe.CopyPipe())
-
 }
 
 // CommandNode holds a command (a pipeline inside an evaluating action).

test/codegen/bits.go

@@ -382,7 +382,6 @@ func signextendAndMask8to64(a int8) (s, z uint64) {
 	// ppc64x: -"MOVB", "ANDCC\t[$]247,"
 	z = uint64(uint8(a)) & 0x3F7
 	return
-
 }
 
 // Verify zero-extended values are not sign-extended under a bit mask (#61297)
@@ -392,7 +391,6 @@ func zeroextendAndMask8to64(a int8, b int16) (x, y uint64) {
 	// ppc64x: -"MOVH\t", -"ANDCC", "MOVHZ"
 	y = uint64(b) & 0xFFFF
 	return
-
 }
 
 // Verify rotate and mask instructions, and further simplified instructions for small types

test/codegen/memcombine.go

@@ -348,7 +348,6 @@ func reassoc_load_uint32(b []byte) uint32 {
 func extrashift_load_uint32(b []byte) uint32 {
 	// amd64:`MOVL\s\([A-Z]+\)`,`SHLL\s[$]2`,-`MOV[BW]`,-`OR`
 	return uint32(b[0])<<2 | uint32(b[1])<<10 | uint32(b[2])<<18 | uint32(b[3])<<26
-
 }
 
 func outoforder_load_uint32(b []byte) uint32 {

test/codegen/noextend.go

@@ -277,7 +277,6 @@ func shouldSignEXT(x int) int64 {
 	ret += int64(int8(x & 0x1100000000000011))
 
 	return ret
-
 }
 
 func noIntermediateExtension(a, b, c uint32) uint32 {

test/escape2.go

@@ -397,7 +397,6 @@ func exprsw(i *int) *int { // ERROR "leaking param: i to result ~r0 level=0$"
 		return nil
 	}
 	return nil
-
 }
 
 // assigning to an array element is like assigning to the array

test/escape2n.go

@@ -397,7 +397,6 @@ func exprsw(i *int) *int { // ERROR "leaking param: i to result ~r0 level=0$"
 		return nil
 	}
 	return nil
-
 }
 
 // assigning to an array element is like assigning to the array

test/fixedbugs/issue32680b.go

@@ -12,5 +12,4 @@ func hashBytesRaw(b0, b1, b2, b3, b7 byte) uint64 {
 
 func doStuff(data []byte) uint64 {
 	return hashBytesRaw(data[0], data[1], data[2], data[3], data[7])
-
 }

test/fixedbugs/issue56923.go

@@ -18,7 +18,6 @@ func (r EqFunc[T]) Eqv(a, b T) bool {
 
 func New[T any](f func(a, b T) bool) Eq[T] {
 	return EqFunc[T](f)
-
 }
 
 func Equal(a, b []byte) bool {

test/typeparam/issue50485.dir/a.go

@@ -219,7 +219,6 @@ func (r ApplicativeFunctor2[H, HT, A1, A2, R]) ApOption(a Option[A1]) Applicativ
 func (r ApplicativeFunctor2[H, HT, A1, A2, R]) Ap(a A1) ApplicativeFunctor1[Cons[A1, H], A1, A2, R] {
 
 	return r.ApOption(Some(a))
-
 }
 
 func Applicative2[A1, A2, R any](fn Func2[A1, A2, R]) ApplicativeFunctor2[Nil, Nil, A1, A2, R] {

test/typeparam/issue51925.go

@@ -25,7 +25,6 @@ func min[T IntLike](x, y T) T {
 		return x
 	}
 	return y
-
 }
 
 // Min returns the minimum element of `nums`.