Protect access to .instance (#170)

JuliaTesting · Sep 5, 2023 · 0fd3246 · 0fd3246
1 parent 002e85a
commit 0fd3246
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/Project.toml b/Project.toml
@@ -1,7 +1,7 @@
 name = "Aqua"
 uuid = "4c88cf16-eb10-579e-8560-4a9242c79595"
 authors = ["Takafumi Arakaki <[email protected]> and contributors"]
-version = "0.6.6"
+version = "0.6.7"
 
 [deps]
 Compat = "34da2185-b29b-5c13-b0c7-acf172513d20"

diff --git a/src/piracy.jl b/src/piracy.jl
@@ -141,7 +141,7 @@ function is_foreign_method(@nospecialize(T::DataType), pkg::Base.PkgId; treat_as
 
     # fallback to general code
     return !(T in treat_as_own) &&
-           !(T <: Function && T.instance in treat_as_own) &&
+           !(T <: Function && isdefined(T, :instance) && T.instance in treat_as_own) &&
            is_foreign(T, pkg; treat_as_own = treat_as_own)
 end