llgo/ssa: builder.Alloc sizeof(t) bugfix

cl/_testrt/gblarray/in.go

@@ -2,7 +2,6 @@ package main
 
 import (
 	"github.com/goplus/llgo/internal/abi"
-	"github.com/goplus/llgo/internal/runtime"
 	"github.com/goplus/llgo/internal/runtime/c"
 )
 
@@ -29,7 +28,5 @@ func basicType(kind abi.Kind) *abi.Type {
 
 func main() {
 	t := Basic(abi.String)
-	t2 := runtime.Basic(abi.String)
 	c.Printf(c.Str("Kind: %d, Size: %d\n"), int(t.Kind_), t.Size_)
-	c.Printf(c.Str("Kind: %d, Size: %d\n"), int(t2.Kind_), t2.Size_)
 }