hg: jdk/sandbox: 2 new changesets

[chris.hegarty at oracle.com]

Changeset: b8714bbaf1a1
Author:    gziemski
Date:      2020-06-02 13:12 -0500
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/b8714bbaf1a1

8245509: Crash handler itself crashes when reporting Unsafe.putInt(0) crash
Summary: Added ResourceMarker
Reviewed-by: coleenp, dholmes

! src/hotspot/share/utilities/vmError.cpp

Changeset: fd2e58901ebf
Author:    gziemski
Date:      2020-06-02 13:15 -0500
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/fd2e58901ebf

8245833: crash_with_sigfpe uses pthread_kill(SIGFPE) on macOS
Summary: Changed division code to ensure that real crash happens
Reviewed-by: dholmes

! src/hotspot/share/utilities/vmError.cpp