fixup! Test that serialization of ForeignObj fail

Author: vchuravy

test/gcext/DependsOnForeign/Manifest.toml

@@ -0,0 +1,14 @@
+# This file is machine-generated - editing it directly is not advised
+
+julia_version = "1.8.3"
+manifest_format = "2.0"
+project_hash = "e7199d961a5f4ebad68a3deaf5beaa7406a0afcb"
+
+[[deps.Foreign]]
+deps = ["Libdl"]
+path = "../Foreign"
+uuid = "de1f6f7a-d7b3-400f-91c2-33f248ee89c4"
+version = "0.1.0"
+
+[[deps.Libdl]]
+uuid = "8f399da3-3557-5675-b5ff-fb832c97cbdb"

test/gcext/DependsOnForeign/Project.toml

@@ -0,0 +1,6 @@
+name = "DependsOnForeign"
+uuid = "4b0716e0-dfb5-4e00-8b44-e2685a41517f"
+version = "0.1.0"
+
+[deps]
+Foreign = "de1f6f7a-d7b3-400f-91c2-33f248ee89c4"

test/gcext/DependsOnForeign/src/DependsOnForeign.jl

@@ -0,0 +1,14 @@
+module DependsOnForeign
+
+using Foreign
+
+f(obj::FObj) = Base.pointer_from_objref(obj)
+precompile(f, (FObj,))
+
+const FObjRef = Ref{FObj}()
+
+function __init__()
+    FObjRef[] = FObj()
+end
+
+end # module DependsOnForeign

test/gcext/ForeignObjSerialization/Manifest.toml

@@ -0,0 +1,14 @@
+# This file is machine-generated - editing it directly is not advised
+
+julia_version = "1.8.3"
+manifest_format = "2.0"
+project_hash = "e7199d961a5f4ebad68a3deaf5beaa7406a0afcb"
+
+[[deps.Foreign]]
+deps = ["Libdl"]
+path = "../Foreign"
+uuid = "de1f6f7a-d7b3-400f-91c2-33f248ee89c4"
+version = "0.1.0"
+
+[[deps.Libdl]]
+uuid = "8f399da3-3557-5675-b5ff-fb832c97cbdb"

test/gcext/ForeignObjSerialization/Project.toml

@@ -0,0 +1,6 @@
+name = "ForeignObjSerialization"
+uuid = "2c015d96-a6ca-42f0-bc68-f9090de6bc2c"
+version = "0.1.0"
+
+[deps]
+Foreign = "de1f6f7a-d7b3-400f-91c2-33f248ee89c4"

test/gcext/ForeignObjSerialization/src/ForeignObjSerialization.jl

@@ -0,0 +1,6 @@
+module ForeignObjSerialization
+
+using Foreign
+const FObjRef = Ref{FObj}(FObj())
+
+end # module ForeignObjSerialization