git: openjdk/jdk17u: master: 2 new changesets

[Tobias Hartmann]

Changeset: fd81865b
Author:    Tobias Hartmann <thartmann at openjdk.org>
Date:      2021-09-29 06:25:01 +0000
URL:       https://git.openjdk.java.net/jdk17u/commit/fd81865b96c267390fada2e2546227a4241a58a6

8273359: CI: ciInstanceKlass::get_canonical_holder() doesn't respect instance size

Backport-of: f7e9f56e235dc50daae0a85c9790d5b04c9c60f0

! src/hotspot/share/c1/c1_LIRGenerator.cpp
! src/hotspot/share/ci/ciInstanceKlass.cpp
! src/hotspot/share/ci/ciInstanceKlass.hpp
! src/hotspot/share/opto/compile.cpp
+ test/hotspot/jtreg/compiler/unsafe/AlignmentGapAccess.java

Changeset: f4a0b13d
Author:    Tobias Hartmann <thartmann at openjdk.org>
Date:      2021-09-29 06:26:06 +0000
URL:       https://git.openjdk.java.net/jdk17u/commit/f4a0b13d8609f3461faf0ec20eaaaf96a4caecd3

8271341: Opcode() != Op_If && Opcode() != Op_RangeCheck) || outcnt() == 2 assert failure with Test7179138_1.java

Backport-of: 99fb12c798ad24cc4a671a666930ba42c3cd10c9

! src/hotspot/share/opto/stringopts.cpp
! test/hotspot/jtreg/compiler/c2/Test7179138_1.java