RFR 8085965: VM hangs in C2Compiler

Kim Barrett kim.barrett at oracle.com
Tue Jun 16 21:55:48 UTC 2015


On Jun 11, 2015, at 9:19 AM, Erik Österlund <erik.osterlund at lnu.se> wrote:
> 
> Just out of curiosity, does this fix exactly the same problem for G1? I found the other day that it currently does not respect -Xnoclassgc and had to make workarounds for that so the C2 compiler wouldn’t hang, as can be seen in this webrev:
> http://cr.openjdk.java.net/~eosterlund/g1_dynamic_elision/noclassgc/webrev.00/

Poonam’s changes address CMS only, but it’s clear there are similar problems in G1.

I’ve created a CR for G1: https://bugs.openjdk.java.net/browse/JDK-8114823

I’ve assigned it to me and am working on it.  I think Erik’s webrev isn’t quite the right fix, but it’s helpful.  Thanks, Erik.




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