Merge pull request #9191 from WalterBright/TOK-ubyte

enum TOK should be a ubyte
merged-on-behalf-of: Nicholas Wilson <thewilsonator@users.noreply.github.com>

src/dmd/tokens.d

@@ -22,7 +22,7 @@ import dmd.root.outbuffer;
 import dmd.root.rmem;
 import dmd.utf;
 
-enum TOK : int
+enum TOK : ubyte
 {
     reserved,
 

src/dmd/tokens.h

@@ -31,7 +31,8 @@ class Identifier;
         ?       &&      ||
  */
 
-enum TOK
+typedef unsigned char TOK;
+enum
 {
         TOKreserved,