git: openjdk/jdk17u-dev: 8299259: C2: Div/Mod nodes without zero check could be split through iv phi of loop resulting in SIGFPE

Thu Apr 20 08:20:20 UTC 2023

Changeset: 1fe89116
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2023-04-20 08:18:20 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/1fe89116cb0b57deab3fbd1f712b1e70da8a428c

8299259: C2: Div/Mod nodes without zero check could be split through iv phi of loop resulting in SIGFPE

Backport-of: 8b0133f2760f67cd968528c041a600408cc26978

! src/hotspot/share/opto/loopnode.hpp
! src/hotspot/share/opto/loopopts.cpp
+ test/hotspot/jtreg/compiler/splitif/TestSplitDivisionThroughPhi.java