error.c: remove unused function

* error.c (rb_compile_bug): remove unused function, which has
  never been exposed.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54620 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

error.c

@@ -441,14 +441,6 @@ rb_async_bug_errno(const char *mesg, int errno_arg)
     abort();
 }
 
-void
-rb_compile_bug(const char *file, int line, const char *fmt, ...)
-{
-    report_bug(file, line, fmt, NULL);
-
-    abort();
-}
-
 void
 rb_compile_bug_str(VALUE file, int line, const char *fmt, ...)
 {

internal.h

@@ -850,7 +850,6 @@ VALUE rb_nmin_run(VALUE obj, VALUE num, int by, int rev, int ary);
 extern VALUE rb_eEAGAIN;
 extern VALUE rb_eEWOULDBLOCK;
 extern VALUE rb_eEINPROGRESS;
-NORETURN(PRINTF_ARGS(void rb_compile_bug(const char*, int, const char*, ...), 3, 4));
 NORETURN(PRINTF_ARGS(void rb_compile_bug_str(VALUE file, int line, const char *fmt, ...), 3, 4));
 PRINTF_ARGS(void rb_compile_error_str(VALUE file, int line, void *enc, const char *fmt, ...), 4, 5);
 VALUE rb_check_backtrace(VALUE);