fix #26979, incorrect typeassert in deserialize

JuliaLang · May 4, 2018 · 901b240 · 901b240
1 parent ee2211c
commit 901b240
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Showing 2 changed files with 14 additions and 1 deletion.
diff --git a/stdlib/Serialization/src/Serialization.jl b/stdlib/Serialization/src/Serialization.jl
@@ -855,7 +855,7 @@ function deserialize(s::AbstractSerializer, ::Type{Method})
     name = deserialize(s)::Symbol
     file = deserialize(s)::Symbol
     line = deserialize(s)::Int32
-    sig = deserialize(s)::DataType
+    sig = deserialize(s)::Type
     sparam_syms = deserialize(s)::SimpleVector
     ambig = deserialize(s)::Union{Array{Any,1}, Nothing}
     nargs = deserialize(s)::Int32

diff --git a/stdlib/Serialization/test/runtests.jl b/stdlib/Serialization/test/runtests.jl
@@ -519,3 +519,16 @@ let io = IOBuffer()
     @test (b[5] & 0xf0) == 0
     @test all(b[6:8] .== 0)
 end
+
+# issue #26979
+let io = IOBuffer()
+    function gen_f(a::T) where T
+        f = x -> T(x)
+        return f
+    end
+    f = gen_f(1f0)
+    serialize(io, f)
+    seekstart(io)
+    f2 = deserialize(io)
+    @test f2(1) === 1f0
+end