RFR(S): 8217230: assert(t == t_no_spec) failure in NodeHash::check_no_speculative_types()
tobias.hartmann at oracle.com
Mon Jan 21 12:27:33 UTC 2019
On 21.01.19 13:17, Nils Eliasson wrote:
> Looks good!
> // Nils
> On 2019-01-21 09:21, Tobias Hartmann wrote:
>> please review the following patch:
>> A SafePointNode becomes dead when being cut off from root in Compile::remove_root_to_sfpts_edges()
>> but is not processed by IGVN and therefore remains in the graph. Since it is not reachable by root
>> anymore, it is not processed by Compile::remove_speculative_types and we hit the assert.
>> The problem was introduced by the fix for JDK-8214862  in JDK 12 b27.
>>  https://bugs.openjdk.java.net/browse/JDK-8214862
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