git: openjdk/jdk17u: master: 8272131: PhaseMacroExpand::generate_slow_arraycopy crash when clone null CallProjections.fallthrough_ioproj

[Tobias Hartmann]

Changeset: 790d9a9f
Author:    Tobias Hartmann <thartmann at openjdk.org>
Date:      2021-08-18 15:19:16 +0000
URL:       https://git.openjdk.java.net/jdk17u/commit/790d9a9fdaaf074f5fefa5dcc60a0a1f538e8653

8272131: PhaseMacroExpand::generate_slow_arraycopy crash when clone null CallProjections.fallthrough_ioproj

Backport-of: 5350b9901c6cebe5d40bbba9a31d1f26285b1cd6

! src/hotspot/share/opto/macroArrayCopy.cpp
+ test/hotspot/jtreg/compiler/arraycopy/TestIllegalArrayCopyBeforeInfiniteLoop.java