2 files changed, 5 insertions, 5 deletions
diff --git a/mrbgems/mruby-compiler/core/codegen.c b/mrbgems/mruby-compiler/core/codegen.c
index b6d35f363..ed8fc3150 100644
--- a/mrbgems/mruby-compiler/core/codegen.c
+++ b/mrbgems/mruby-compiler/core/codegen.c
@@ -273,8 +273,7 @@ genop_W(codegen_scope *s, mrb_code i, uint32_t a)
 #define NOVAL  0
 #define VAL    1
 
-//static
-mrb_bool
+static mrb_bool
 no_optimize(codegen_scope *s)
 {
   if (s && s->parser && s->parser->no_optimize)
diff --git a/mrbgems/mruby-compiler/core/parse.y b/mrbgems/mruby-compiler/core/parse.y
index ca4c90770..7838b6dfb 100644
--- a/mrbgems/mruby-compiler/core/parse.y
+++ b/mrbgems/mruby-compiler/core/parse.y
@@ -5712,11 +5712,12 @@ parser_yylex(parser_state *p)
       if (!identchar(c)) {
         char buf[36];
         const char s[] = "Invalid char in expression: 0x";
+        const char hexdigits[] = "0123456789ABCDEF";
 
         strcpy(buf, s);
-        buf[sizeof(s)]   = (c & 0xff00) >> 8;
-        buf[sizeof(s)+1] = (c & 0xff);
-        buf[sizeof(s)+2] = 0;
+        buf[sizeof(s)-1] = hexdigits[(c & 0xf0) >> 4];
+        buf[sizeof(s)]   = hexdigits[(c & 0x0f)];
+        buf[sizeof(s)+1] = 0;
         yyerror(p, buf);
         goto retry;
       }