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Backport bug fix to v1.1: don't Const-prop unitialized structs #31699

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Apr 15, 2019
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Backport bug fix to v1.1: don't Const-prop unitialized structs #31699

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2 changes: 1 addition & 1 deletion base/compiler/abstractinterpretation.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -910,7 +910,7 @@ function abstract_eval(@nospecialize(e), vtypes::VarTable, sv::InferenceState)
isconst = false
end
end
if isconst
if isconst && fieldcount(t) == length(e.args) - 1
t = Const(ccall(:jl_new_structv, Any, (Any, Ptr{Cvoid}, UInt32), t, args, length(args)))
end
end
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