git: openjdk/jdk11u-dev: 2 new changesets

[Goetz Lindenmaier]

Changeset: b3d6981e
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2023-05-30 09:12:31 +0000
URL:       https://git.openjdk.org/jdk11u-dev/commit/b3d6981ea45269bf4b7e2a0c5f03bc315c8eb0e5

8299259: C2: Div/Mod nodes without zero check could be split through iv phi of loop resulting in SIGFPE

Reviewed-by: roland
Backport-of: 8b0133f2760f67cd968528c041a600408cc26978

! src/hotspot/share/opto/loopnode.hpp
! src/hotspot/share/opto/loopopts.cpp
+ test/hotspot/jtreg/compiler/splitif/TestSplitDivisionThroughPhi.java

Changeset: 1cbdcc99
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2023-05-30 09:14:11 +0000
URL:       https://git.openjdk.org/jdk11u-dev/commit/1cbdcc996e4a378e7408ce9525e6236f00e24081

8300079: SIGSEGV in LibraryCallKit::inline_string_copy due to constant NULL src argument

Reviewed-by: roland
Backport-of: 52324b55fb7be2cd1ba9e843ece93375ac23649c

! src/hotspot/share/opto/library_call.cpp
+ test/hotspot/jtreg/compiler/intrinsics/string/TestCopyValueOf.java