gcc complains that he can't assure if switch-enum is complete

include/picrin/value.h

@@ -199,6 +199,8 @@ pic_type(pic_value v)
     return PIC_TT_EOF;
   case PIC_VTYPE_HEAP:
     return ((struct pic_object *)pic_ptr(v))->tt;
+  default:
+    return -1;                  /* logic flaw */
   }
 }
 

src/codegen.c

@@ -554,6 +554,7 @@ analyze_node(analyze_state *state, pic_value obj, bool tailpos)
   case PIC_TT_IREP:
     pic_error(pic, "invalid expression given");
   }
+  pic_abort(pic, "logic flaw");
 }
 
 static pic_value