hg: jdk/jdk: 8203196: C1 emits incorrect code due to integer overflow in _tableswitch keys

[tobias.hartmann at oracle.com]

Changeset: 24b5f2e635f6
Author:    thartmann
Date:      2018-05-22 09:04 +0200
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/24b5f2e635f6

8203196: C1 emits incorrect code due to integer overflow in _tableswitch keys
Summary: Avoid integer overflow in TableSwitch().
Reviewed-by: goetz, mdoerr, vlivanov

! src/hotspot/share/c1/c1_Instruction.hpp
! src/hotspot/share/c1/c1_LIRGenerator.cpp