[lworld] Integrated: 8271397: [lworld] SIGSEGV in ciKlass::is_subtype_of

Tobias Hartmann thartmann at openjdk.java.net
Wed Jul 28 15:33:42 UTC 2021


On Wed, 28 Jul 2021 14:04:33 GMT, Tobias Hartmann <thartmann at openjdk.org> wrote:

> This should fix an extremely intermittent crash (only happened once) in `ciKlass::is_subtype_of`. Similar to the checks in `Parse::do_checkcast`, we need to check for `klass->is_loaded()` before calling `is_subtype_of(klass)` in type flow analysis.
> 
> Best regards,
> Tobias

This pull request has now been integrated.

Changeset: aace1e5c
Author:    Tobias Hartmann <thartmann at openjdk.org>
URL:       https://git.openjdk.java.net/valhalla/commit/aace1e5c4b4c425b66092c0c67b1000bc1a663e7
Stats:     1 line in 1 file changed: 0 ins; 0 del; 1 mod

8271397: [lworld] SIGSEGV in ciKlass::is_subtype_of

Reviewed-by: fparain

-------------

PR: https://git.openjdk.java.net/valhalla/pull/506


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