git: openjdk/jdk: 8331575: C2: crash when ConvL2I is split thru phi at LongCountedLoop

[Roland Westrelin]

Changeset: f398cd22
Author:    Roland Westrelin <roland at openjdk.org>
Date:      2024-05-16 08:55:03 +0000
URL:       https://git.openjdk.org/jdk/commit/f398cd225012694a586e528936159b6df7b1586c

8331575: C2: crash when ConvL2I is split thru phi at LongCountedLoop

Reviewed-by: chagedorn, epeter

! src/hotspot/share/opto/loopopts.cpp
+ test/hotspot/jtreg/compiler/splitif/TestLongCountedLoopConvL2I.java
+ test/hotspot/jtreg/compiler/splitif/TestLongCountedLoopConvL2I2.java