Removed dead code

nobu · nobu · commit 5e0d27a32f2b · 2019-07-15T16:49:39.000+09:00
If `emesg` is `Qundef`, it is not a message string and then `elen`
(the length of the message) is 0.  So `emesg` cannot be `Qundef` in
the `elen != 0` block.  Pointed out by Coverity Scan.
diff --git a/eval_error.c b/eval_error.c
@@ -169,9 +169,10 @@ print_errinfo(const VALUE eclass, const VALUE errat, const VALUE emesg, const VA
 	    write_warn(str, "\n");
 	}
 	else {
+	    /* emesg is a String instance */
 	    const char *tail = 0;
 
-	    if (emesg == Qundef && highlight) write_warn(str, bold);
+	    if (highlight) write_warn(str, bold);
 	    if (RSTRING_PTR(epath)[0] == '#')
 		epath = 0;
 	    if ((tail = memchr(einfo, '\n', elen)) != 0) {
