Add extra error checks

src/main.cpp

@@ -1999,6 +1999,10 @@ int main(int arg_count, char const **arg_ptr) {
 		return 1;
 	}
 
+	if (any_errors()) {
+		return 1;
+	}
+
 	temp_allocator_free_all(&temporary_allocator_data);
 
 	timings_start_section(timings, str_lit("type check"));
@@ -2013,6 +2017,9 @@ int main(int arg_count, char const **arg_ptr) {
 	if (checked_inited) {
 		check_parsed_files(&checker);
 	}
+	if (any_errors()) {
+		return 1;
+	}
 
 	temp_allocator_free_all(&temporary_allocator_data);
 

src/tokenizer.cpp

@@ -250,6 +250,10 @@ gb_global ErrorCollector global_error_collector;
 #define MAX_ERROR_COLLECTOR_COUNT (36)
 
 
+bool any_errors(void) {
+	return global_error_collector.error_buffer.count > 0;
+}
+
 void init_global_error_collector(void) {
 	gb_mutex_init(&global_error_collector.mutex);
 	array_init(&global_error_collector.errors, heap_allocator());