[jdk13u-dev] Integrated: 8248552: C2 crashes with SIGFPE due to division by zero
omikhaltcova at openjdk.java.net
Fri Apr 2 16:21:32 UTC 2021
On Fri, 2 Apr 2021 14:14:57 GMT, Olga Mikhaltsova <omikhaltcova at openjdk.org> wrote:
> I'd like to backport JDK-8248552 to jdk13u for parity with jdk11u.
> The original patch applied cleanly.
> Tested with the test attached to the corresponding issue and the test added in this patch.
This pull request has now been integrated.
Author: Olga Mikhaltsova <omikhaltcova at openjdk.org>
Committer: Yuri Nesterenko <yan at openjdk.org>
Stats: 117 lines in 2 files changed: 110 ins; 0 del; 7 mod
8248552: C2 crashes with SIGFPE due to division by zero
Bail out in PhaseIdealLoop:split_thru_phi when trying to split a Div or ModNode iv phi whose zero check was removed but could potentially still be zero based on type information.
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