cmd/{go,compile}: run gofmt

Ran gofmt on a couple of Go source files that needed it.

Change-Id: I0e9f78831f531a728b892a63c6e0c517d92b11a8
Reviewed-on: https://go-review.googlesource.com/c/go/+/507156
Run-TryBot: Than McIntosh <thanm@google.com>
Reviewed-by: Austin Clements <austin@google.com>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>

src/cmd/compile/internal/devirtualize/devirtualize.go

@@ -4,11 +4,11 @@
 
 // Package devirtualize implements two "devirtualization" optimization passes:
 //
-// - "Static" devirtualization which replaces interface method calls with
+//   - "Static" devirtualization which replaces interface method calls with
-//   direct concrete-type method calls where possible.
+//     direct concrete-type method calls where possible.
-// - "Profile-guided" devirtualization which replaces indirect calls with a
+//   - "Profile-guided" devirtualization which replaces indirect calls with a
-//   conditional direct call to the hottest concrete callee from a profile, as
+//     conditional direct call to the hottest concrete callee from a profile, as
-//   well as a fallback using the original indirect call.
+//     well as a fallback using the original indirect call.
 package devirtualize
 
 import (

src/cmd/compile/internal/typecheck/stmt.go

@@ -607,7 +607,7 @@ func tcSwitchType(n *ir.SwitchStmt) {
 			if !n1.Type().IsInterface() {
 				why := ImplementsExplain(n1.Type(), t)
 				if why != "" {
-					base.ErrorfAt(ncase.Pos(), errors.ImpossibleAssert, "impossible type switch case: %L cannot have dynamic type %v (%s)" , guard.X, n1.Type(), why)
+					base.ErrorfAt(ncase.Pos(), errors.ImpossibleAssert, "impossible type switch case: %L cannot have dynamic type %v (%s)", guard.X, n1.Type(), why)
 				}
 				continue
 			}

src/cmd/compile/internal/typecheck/subr.go

@@ -713,12 +713,12 @@ func ImplementsExplain(t, iface *types.Type) string {
 		return fmt.Sprintf("%v does not implement %v (%v method is marked 'nointerface')", t, iface, missing.Sym)
 	} else if have != nil && have.Sym == missing.Sym {
 		return fmt.Sprintf("%v does not implement %v (wrong type for %v method)\n"+
-		"\t\thave %v%S\n\t\twant %v%S", t, iface, missing.Sym, have.Sym, have.Type, missing.Sym, missing.Type)
+			"\t\thave %v%S\n\t\twant %v%S", t, iface, missing.Sym, have.Sym, have.Type, missing.Sym, missing.Type)
 	} else if ptr != 0 {
 		return fmt.Sprintf("%v does not implement %v (%v method has pointer receiver)", t, iface, missing.Sym)
 	} else if have != nil {
 		return fmt.Sprintf("%v does not implement %v (missing %v method)\n"+
-		"\t\thave %v%S\n\t\twant %v%S", t, iface, missing.Sym, have.Sym, have.Type, missing.Sym, missing.Type)
+			"\t\thave %v%S\n\t\twant %v%S", t, iface, missing.Sym, have.Sym, have.Type, missing.Sym, missing.Type)
 	}
 	return fmt.Sprintf("%v does not implement %v (missing %v method)", t, iface, missing.Sym)
 }

src/cmd/go/internal/gover/gover.go

@@ -111,7 +111,6 @@ func IsPrerelease(x string) bool {
 //
 //	Prev("1.2") = "1.1"
 //	Prev("1.3rc4") = "1.2"
-//
 func Prev(x string) string {
 	v := parse(x)
 	if cmpInt(v.minor, "1") <= 0 {

src/cmd/go/main.go

@@ -300,10 +300,10 @@ func maybeStartTrace(pctx context.Context) context.Context {
 //
 // We have to handle the -C flag this way for two reasons:
 //
-//   1. Toolchain selection needs to be in the right directory to look for go.mod and go.work.
+//  1. Toolchain selection needs to be in the right directory to look for go.mod and go.work.
 //
-//   2. A toolchain switch later on reinvokes the new go command with the same arguments.
+//  2. A toolchain switch later on reinvokes the new go command with the same arguments.
-//      The parent toolchain has already done the chdir; the child must not try to do it again.
+//     The parent toolchain has already done the chdir; the child must not try to do it again.
 func handleChdirFlag() {
 	_, used := lookupCmd(os.Args[1:])
 	used++ // because of [1:]