fix over-eager removal of newvar nodes in the presence of isdefined
#23384
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vtjnash
reviewed
Aug 21, 2017
test/core.jl
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| let a = [] | ||
| for i = 1:2 | ||
| push!(a, @isdefined(j)) | ||
| j = 1 |
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possibly should mark this local j, so that it's clear what this is testing, and to make sure the insertion of another earlier test (or other random global state) doesn't invalidate this test
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Bug noticed in #23260 (comment)