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Rock accepts assignment between generics with different type #842

zhaihj opened this issue Oct 14, 2014 · 0 comments


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commented Oct 14, 2014


data: ArrayList<ArrayList<Int>>
data = ArrayList<Int> new()
data add(ArrayList<Int> new)
data[0] add(1)

This can be compiled with rock, and sometimes works. But this code is illegal. Because libgc will collect elements at anytime. So we will get a random segmentation fault.
We should at least throw a warning on this.

@fasterthanlime fasterthanlime changed the title Rock accpets assignment between generics with different type Rock accepts assignment between generics with different type Jul 9, 2015

fasterthanlime added a commit that referenced this issue Jul 10, 2015

@fasterthanlime fasterthanlime modified the milestone: 0.9.10 Jul 10, 2015

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