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

Tue Jan 10 14:38:01 UTC 2023

Changeset: 8b0133f2
Author:    Christian Hagedorn <chagedorn at openjdk.org>
Date:      2023-01-10 14:35:46 +0000
URL:       https://git.openjdk.org/jdk/commit/8b0133f2760f67cd968528c041a600408cc26978

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

Reviewed-by: roland, kvn, thartmann

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