RFR (XS): 8006095: C1: SIGSEGV w/ -XX:+LogCompilation

[Vladimir Ivanov]

Pavel,

I didn't find an easy way to create a reliable one - it should fail in a 
very precise place to fail the whole compilation during method inlining.

Best regards,
Vladimir Ivanov

On 1/16/13 3:09 PM, Pavel Punegov wrote:
> Hi,
>
> Is there any way to create a regression test from the test case provided
> in bug?
>
> On Saturday 12 January 2013 03:25:13 Vladimir Ivanov wrote:
>
>  >http://cr.openjdk.java.net/~vlivanov/8006095/webrev.00
>
>  >17 lines changed: 10 ins; 3 del; 4 mod
>
>  >
>
>  >The crash occurs when C1 compilation fails and bails out during method
>
>  >inlining attempt. The reason is that _inline_bailout_msg == NULL during
>
>  >an attempt to print failure message in the log.
>
>  >
>
>  >Fixed by avoiding printing inlining message in the compiler log during
>
>  >bailout and adding additional defensive checks in
>
>  >GraphBuilder::print_inlining method.
>
>  >
>
>  >Testing: failing test case.
>
>  >
>
>  >Best regards,
>
>  >Vladimir Ivanov
>
> --
>
> Thanks,
>
> Pavel
>