COOPs crashes when heap PermSize is too large

COOPs crashes when PermSize is too large.

> java -d64 -XX:+UseCompressedOops -XX:+UnlockDiagnosticVMOptions -XX:+PrintCompressedOopsMode -XX:MaxPermSize=32g -version

Protected page at the reserved heap base: 0xfffffd71c0000000 / 65536 bytes

heap address: 0xfffffd71c0010000, Compressed Oops with base: 0xfffffd71c000f000
#
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0xfffffd7ff5feddfe, pid=1577, tid=2
#
# JRE version: 7.0-b121
# Java VM: Java HotSpot(TM) 64-Bit Server VM (20.0-b03 mixed mode solaris-amd64 compressed oops)


Fastdebug version fails with assertion
# Internal Error (/export/HUDSON/workspace/jdk7-2-build-solaris-amd64-product/jdk7/hotspot/src/share/vm/oops/oop.inline.hpp:160), pid=1579, tid=2
# assert(OopEncodingHeapMax > pd) failed: change encoding max if new encoding
#


Running with big Xmx works fine, 64bit opps are used, warning is printed:
> Java HotSpot(TM) 64-Bit Server VM warning: Max heap size too large for Compressed Oops