hg: jdk9/hs-comp/hotspot: 8155046: Parse::Block construction using undefined behavior

[tobias.hartmann at oracle.com]

Changeset: a36c5d9b59cb
Author:    thartmann
Date:      2016-06-01 14:22 +0200
URL:       http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/a36c5d9b59cb

8155046: Parse::Block construction using undefined behavior
Summary: Blocks should be created via constructor and placement new.
Reviewed-by: kvn

! src/share/vm/opto/parse.hpp
! src/share/vm/opto/parse1.cpp