fixes #21360; discarding empty seqs/arrays now raises errors (#21374)

* discarding empty seqs now raises errors * the same goes for sets
2023-02-16 10:23:35 +08:00 · 2023-02-16 10:23:35 +08:00 · fc7385bfda
commit fc7385bfda
parent c91ef1a09f
3 changed files with 25 additions and 9 deletions
--- a/tests/typerel/ttypelessemptyset.nim
+++ b/tests/typerel/ttypelessemptyset.nim
@ -1,5 +1,5 @@
 discard """
-  errormsg: "internal error: invalid kind for lastOrd(tyEmpty)"
+  errormsg: "statement returns no value that can be discarded"
 """
 var q = false
 discard (if q: {} else: {})