fix #13124, shared references to arrays in deepcopy

JuliaLang · Oct 23, 2015 · be56cf8 · be56cf8
1 parent ce21e42
commit be56cf8
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diff --git a/base/deepcopy.jl b/base/deepcopy.jl
@@ -56,7 +56,7 @@ end
 
 function _deepcopy_array_t(x, T, stackdict::ObjectIdDict)
     if isbits(T)
-        return copy(x)
+        return (stackdict[x]=copy(x))
     end
     dest = similar(x)
     stackdict[x] = dest

diff --git a/test/copy.jl b/test/copy.jl
@@ -57,3 +57,10 @@ let a = Any[[1]], q = QuoteNode([1])
     @test dca[1] !== a[1]
     @test deepcopy(q).value !== q.value
 end
+
+# issue #13124
+let a = rand(3, 5)
+    b = (a,a)
+    c = deepcopy(b)
+    @test c[1] === c[2]
+end