hg: hsx/hotspot-comp/hotspot: 8001345: VM crashes with assert(n->outcnt() != 0 || C->top() == n || n->is_Proj()) failed: No dead instructions after post-alloc

[vladimir.kozlov at oracle.com]

Changeset: 08d35fd1b599
Author:    adlertz
Date:      2013-06-19 00:41 +0200
URL:       http://hg.openjdk.java.net/hsx/hotspot-comp/hotspot/rev/08d35fd1b599

8001345: VM crashes with assert(n->outcnt() != 0 || C->top() == n || n->is_Proj()) failed: No dead instructions after post-alloc
Summary: Remove unnecessary LoadN / DecodeN nodes at MemBarAcquire nodes.
Reviewed-by: kvn, roland

! src/share/vm/opto/memnode.cpp