commit - f3289b7eab31bc5780db03c4b54a04d066863493
commit + 91cfe5caf039ad3594593da62f95277c005ad404
blob - 61faea94872fdd06f33f7b56e8952074df6274fb
blob + 12800df3f542b3f695c5cdca26cdc6b5d696ccf4
--- script.c
+++ script.c
@@ -731,6 +731,13 @@ eval(struct op *op)
 			    != EVAL_OK)
 				return ret;
 		} else {
+			if (proc->body == NULL) {
+				before_printing();
+				printf("warn: calling the empty proc `%s'\n",
+				    proc->name);
+				break;
+			}
+
 			pushenv();
 
 			for (t = op->v.funcall.argv, i = 0;
@@ -1023,6 +1030,12 @@ run_test(struct test *t)
 	puts("=====================");
 #endif
 
+	if (t->body == NULL) {
+		before_printing();
+		printf("no instructions, skipping...\n");
+		return EVAL_SKIP;
+	}
+
 	return eval(t->body);
 }