git: openjdk/jdk17u-dev: 2 new changesets

[Martin Doerr]

Changeset: 02292c5b
Author:    Martin Doerr <mdoerr at openjdk.org>
Date:      2022-03-30 09:32:23 +0000
URL:       https://git.openjdk.java.net/jdk17u-dev/commit/02292c5b618a83b64154650fc5f707243ad1e29e

8271055: Crash during deoptimization with "assert(bb->is_reachable()) failed: getting result from unreachable basicblock" with -XX:+VerifyStack

Backport-of: e44dc638b8936b1b76ca9ddf9ece0c5c4705a19c

! src/hotspot/share/runtime/deoptimization.cpp
+ test/hotspot/jtreg/compiler/interpreter/Custom.jasm
+ test/hotspot/jtreg/compiler/interpreter/VerifyStackWithUnreachableBlock.java

Changeset: bf88ff18
Author:    Martin Doerr <mdoerr at openjdk.org>
Date:      2022-03-30 09:33:35 +0000
URL:       https://git.openjdk.java.net/jdk17u-dev/commit/bf88ff18ad6e6d16b013e0b4caa8cc493fc11b2f

8280600: C2: assert(!had_error) failed: bad dominance

Backport-of: de826ba18a5e98586029581c2d4bcd27334fbdd1

! src/hotspot/share/opto/loopTransform.cpp
+ test/hotspot/jtreg/compiler/loopopts/TestCastIIMakesMainLoopPhiDead.java