hg: jdk9/dev/hotspot: 8177095: Range check dependent CastII/ConvI2L is prematurely eliminated

[tobias.hartmann at oracle.com]

Changeset: b0b56932255e
Author:    thartmann
Date:      2017-03-27 10:12 +0200
URL:       http://hg.openjdk.java.net/jdk9/dev/hotspot/rev/b0b56932255e

8177095: Range check dependent CastII/ConvI2L is prematurely eliminated
Summary: Disabled narrowing of range check dependent CastIIs (either through the CastII(AddI) optimization or through CastIINode::Ideal).
Reviewed-by: vlivanov, kvn

! src/share/vm/opto/castnode.cpp
! src/share/vm/opto/convertnode.cpp
! test/compiler/loopopts/TestLoopPeeling.java