void Fatal (const char* Format, ...) attribute ((noreturn, format (printf, 1, 2)));
/* Print a message about a fatal error and die */
-void Internal (char* Format, ...) attribute ((noreturn, format (printf, 1, 2)));
+void Internal (const char* Format, ...) attribute ((noreturn, format (printf, 1, 2)));
/* Print a message about an internal compiler error and die. */
void ErrorReport (void);