Don't crash if GC_{un,}ref is called on nil (#9445)

Fixes #9442
2026-04-27 09:43:58 +00:00 · 2018-10-22 17:09:15 +02:00
parent 9c88df220a
commit b613092de8
2 changed files with 13 additions and 2 deletions
--- a/tests/magics/tmagics.nim
+++ b/tests/magics/tmagics.nim
@@ -43,3 +43,14 @@ block t8693:
  doAssert bar(Foo, Foo)
  doAssert bar(any, Foo)
  doAssert bar(Foo, any) == false
+
+block t9442:
+  var v1: ref char
+  var v2: string
+  var v3: seq[char]
+  GC_ref(v1)
+  GC_unref(v1)
+  GC_ref(v2)
+  GC_unref(v2)
+  GC_ref(v3)
+  GC_unref(v3)