cmd/compile/internal/gc: convert fields of Type to bool

Convert some fields of struct Type in go.go from uint8 to bool.

This change passes go build -toolexec 'toolstash -cmp' -a std.

Change-Id: I0a6c53f8ee686839b5234010ee2de7ae3940d499
Reviewed-on: https://go-review.googlesource.com/14370
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
diff --git a/src/cmd/compile/internal/gc/reflect.go b/src/cmd/compile/internal/gc/reflect.go
index b36df0f..f579ef8 100644
--- a/src/cmd/compile/internal/gc/reflect.go
+++ b/src/cmd/compile/internal/gc/reflect.go
@@ -192,7 +192,7 @@
 	field = append(field, ovf)
 
 	// link up fields
-	bucket.Noalg = 1
+	bucket.Noalg = true
 	bucket.Local = t.Local
 	bucket.Type = field[0]
 	for n := int32(0); n < int32(len(field)-1); n++ {
@@ -232,7 +232,7 @@
 	field[7] = makefield("overflow", Types[TUNSAFEPTR])
 
 	h := typ(TSTRUCT)
-	h.Noalg = 1
+	h.Noalg = true
 	h.Local = t.Local
 	h.Type = field[0]
 	for n := int32(0); n < int32(len(field)-1); n++ {
@@ -284,7 +284,7 @@
 	// build iterator struct holding the above fields
 	i := typ(TSTRUCT)
 
-	i.Noalg = 1
+	i.Noalg = true
 	i.Type = field[0]
 	for n := int32(0); n < int32(len(field)-1); n++ {
 		field[n].Down = field[n+1]