1 files changed, 23 insertions, 0 deletions
diff --git a/tests/effects/teffects19.nim b/tests/effects/teffects19.nim
new file mode 100644
index 000000000..49fb87523
--- /dev/null
+++ b/tests/effects/teffects19.nim
@@ -0,0 +1,23 @@
+discard """
+action: compile
+errormsg: "type mismatch: got <proc (i: int){.gcsafe, locks: 0.}>"
+line: 23
+"""
+
+type MyEffect = object
+type ProcType1 = proc (i: int): void {.forbids: [MyEffect].}
+type ProcType2 = proc (i: int): void
+
+proc caller1(p: ProcType1): void = p(1)
+proc caller2(p: ProcType2): void = p(1)
+
+proc effectful(i: int): void {.tags: [MyEffect].} = echo $i
+proc effectless(i: int): void {.forbids: [MyEffect].} = echo $i
+
+proc toBeCalled1(i: int): void = effectful(i)
+proc toBeCalled2(i: int): void = effectless(i)
+
+caller1(toBeCalled2)
+caller2(toBeCalled1)
+caller2(toBeCalled2)
+caller1(toBeCalled1)