gc: use gofmt spacing when printing map type

R=ken2
CC=golang-dev
https://golang.org/cl/5450071

src/cmd/gc/fmt.c

@@ -610,7 +610,7 @@ typefmt(Fmt *fp, Type *t)
 		return fmtprint(fp, "chan %T", t->type);
 
 	case TMAP:
-		return fmtprint(fp, "map[%T] %T", t->down, t->type);
+		return fmtprint(fp, "map[%T]%T", t->down, t->type);
 
 	case TINTER:
 		fmtstrcpy(fp, "interface {");
@@ -1067,7 +1067,7 @@ exprfmt(Fmt *f, Node *n, int prec)
 		return fmtprint(f, "(%N)", n->left);
 
 	case OTMAP:
-		return fmtprint(f, "map[%N] %N", n->left, n->right);
+		return fmtprint(f, "map[%N]%N", n->left, n->right);
 
 	case OTCHAN:
 		switch(n->etype) {

src/pkg/encoding/xml/marshal_test.go

@@ -326,12 +326,12 @@ var marshalErrorTests = []struct {
 			"question": "What do you get when you multiply six by nine?",
 			"answer":   "42",
 		},
-		Err:  "xml: unsupported type: map[string] string",
+		Err:  "xml: unsupported type: map[string]string",
 		Kind: reflect.Map,
 	},
 	{
 		Value: map[*Ship]bool{nil: false},
-		Err:   "xml: unsupported type: map[*xml.Ship] bool",
+		Err:   "xml: unsupported type: map[*xml.Ship]bool",
 		Kind:  reflect.Map,
 	},
 }

src/pkg/fmt/fmt_test.go

@@ -361,8 +361,8 @@ var fmttests = []struct {
 	{"%#v", make(chan int), "(chan int)(0xPTR)"},
 	{"%#v", uint64(1<<64 - 1), "0xffffffffffffffff"},
 	{"%#v", 1000000000, "1000000000"},
-	{"%#v", map[string]int{"a": 1}, `map[string] int{"a":1}`},
+	{"%#v", map[string]int{"a": 1}, `map[string]int{"a":1}`},
-	{"%#v", map[string]B{"a": {1, 2}}, `map[string] fmt_test.B{"a":fmt_test.B{I:1, j:2}}`},
+	{"%#v", map[string]B{"a": {1, 2}}, `map[string]fmt_test.B{"a":fmt_test.B{I:1, j:2}}`},
 	{"%#v", []string{"a", "b"}, `[]string{"a", "b"}`},
 	{"%#v", SI{}, `fmt_test.SI{I:interface {}(nil)}`},
 	{"%#v", []int(nil), `[]int(nil)`},
@@ -371,8 +371,8 @@ var fmttests = []struct {
 	{"%#v", &array, `&[5]int{1, 2, 3, 4, 5}`},
 	{"%#v", iarray, `[4]interface {}{1, "hello", 2.5, interface {}(nil)}`},
 	{"%#v", &iarray, `&[4]interface {}{1, "hello", 2.5, interface {}(nil)}`},
-	{"%#v", map[int]byte(nil), `map[int] uint8(nil)`},
+	{"%#v", map[int]byte(nil), `map[int]uint8(nil)`},
-	{"%#v", map[int]byte{}, `map[int] uint8{}`},
+	{"%#v", map[int]byte{}, `map[int]uint8{}`},
 
 	// slices with other formats
 	{"%#x", []int{1, 2, 15}, `[0x1 0x2 0xf]`},

src/pkg/go/ast/print_test.go

@@ -24,7 +24,7 @@ var tests = []struct {
 
 	// maps
 	{map[string]int{"a": 1},
-		`0  map[string] int (len = 1) {
+		`0  map[string]int (len = 1) {
 		1  .  "a": 1
 		2  }`},
 

src/pkg/reflect/all_test.go

@@ -64,7 +64,7 @@ var typeTests = []pair{
 	{struct{ x (**integer) }{}, "**reflect_test.integer"},
 	{struct{ x ([32]int32) }{}, "[32]int32"},
 	{struct{ x ([]int8) }{}, "[]int8"},
-	{struct{ x (map[string]int32) }{}, "map[string] int32"},
+	{struct{ x (map[string]int32) }{}, "map[string]int32"},
 	{struct{ x (chan<- string) }{}, "chan<- string"},
 	{struct {
 		x struct {
@@ -180,7 +180,7 @@ var valueTests = []pair{
 	{new(**int8), "**int8(0)"},
 	{new([5]int32), "[5]int32{0, 0, 0, 0, 0}"},
 	{new(**integer), "**reflect_test.integer(0)"},
-	{new(map[string]int32), "map[string] int32{<can't iterate on maps>}"},
+	{new(map[string]int32), "map[string]int32{<can't iterate on maps>}"},
 	{new(chan<- string), "chan<- string"},
 	{new(func(a int8, b int32)), "func(int8, int32)(0)"},
 	{new(struct {
@@ -419,7 +419,7 @@ func TestAll(t *testing.T) {
 	testType(t, 8, typ.Elem(), "int32")
 
 	typ = TypeOf((map[string]*int32)(nil))
-	testType(t, 9, typ, "map[string] *int32")
+	testType(t, 9, typ, "map[string]*int32")
 	mtyp := typ
 	testType(t, 10, mtyp.Key(), "string")
 	testType(t, 11, mtyp.Elem(), "*int32")

test/escape2.go

@@ -614,11 +614,11 @@ func LimitFooer(r Fooer, n int64) Fooer { // ERROR "leaking param: r"
 }
 
 func foo90(x *int) map[*int]*int { // ERROR "leaking param: x"
-	return map[*int]*int{nil: x} // ERROR "map\[\*int\] \*int literal escapes to heap"
+	return map[*int]*int{nil: x} // ERROR "map\[\*int\]\*int literal escapes to heap"
 }
 
 func foo91(x *int) map[*int]*int { // ERROR "leaking param: x"
-	return map[*int]*int{x: nil} // ERROR "map\[\*int\] \*int literal escapes to heap"
+	return map[*int]*int{x: nil} // ERROR "map\[\*int\]\*int literal escapes to heap"
 }
 
 func foo92(x *int) [2]*int { // ERROR "leaking param: x"