git: openjdk/jdk20u: master: 8296412: Special case infinite loops with unmerged backedges in IdealLoopTree::check_safepts

Wed Apr 12 05:00:27 UTC 2023

Changeset: a85a0593
Author:    Tobias Hartmann <thartmann at openjdk.org>
Date:      2023-04-12 04:59:40 +0000
URL:       https://git.openjdk.org/jdk20u/commit/a85a0593d7b00603cdce7053730a016ea3853d0f

8296412: Special case infinite loops with unmerged backedges in IdealLoopTree::check_safepts

Backport-of: da38d43fcc640ea9852db6c7c23817dcef7080d5

! src/hotspot/share/opto/loopnode.cpp
+ test/hotspot/jtreg/compiler/loopopts/TestInfiniteLoopWithUnmergedBackedges.jasm
+ test/hotspot/jtreg/compiler/loopopts/TestInfiniteLoopWithUnmergedBackedgesMain.java