git: openjdk/jdk17u-dev: 8306997: C2: "malformed control flow" assert due to missing safepoint on backedge with a switch

[Victor Rudometov]

Changeset: 01a62e38
Branch: master
Author:    Satyen Subramaniam <ssubramaniam at openjdk.org>
Committer: Victor Rudometov <vrudomet at openjdk.org>
Date:      2025-05-22 16:52:02 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/01a62e385ef9852dac37acd3eb88a36665330275

8306997: C2: "malformed control flow" assert due to missing safepoint on backedge with a switch

Backport-of: e0774bed2d2fcd850f5ca6884dd7aeb45f0bdaef

! src/hotspot/share/opto/parse2.cpp
+ test/hotspot/jtreg/compiler/parsing/MissingSafepointOnSwitch.jasm
+ test/hotspot/jtreg/compiler/parsing/TestMissingSafepointOnSwitch.java