[mono][sgen] Add option to disable tarjan gc bridge optimization (#121243)

This option is also currently causing crashes in the gc bridge.

Author: BrzVlad

src/mono/mono/metadata/sgen-bridge.c

@@ -713,6 +713,8 @@ sgen_bridge_handle_gc_param (const char *opt)
 
 	if (!strcmp (opt, "bridge-require-precise-merge")) {
 		bridge_processor_config.scc_precise_merge = TRUE;
+	} else if (!strcmp (opt, "disable-non-bridge-scc")) {
+		bridge_processor_config.disable_non_bridge_scc = TRUE;
 	} else {
 		return FALSE;
 	}

src/mono/mono/metadata/sgen-tarjan-bridge.c

@@ -944,9 +944,9 @@ dump_color_table (const char *why, gboolean do_index)
 	int i = 0, j;
 	printf ("colors%s:\n", why);
 
-	for (cur = root_color_bucket; cur; cur = cur->next, ++i) {
+	for (cur = root_color_bucket; cur; cur = cur->next) {
 		ColorData *cd;
-		for (cd = &cur->data [0]; cd < cur->next_data; ++cd) {
+		for (cd = &cur->data [0]; cd < cur->next_data; ++cd, ++i) {
 			if (do_index)
 				printf ("\t%d(%d):", i, cd->api_index);
 			else