In jdk7 b136 a sequence of method handles sometimes hangs eating 99% of CPU after the following message:

=============== DEBUG MESSAGE: init_AdapterMethodHandle should not issue this ================

"jstack -F <pid>" reports:

Thread 18694: (state = IN_VM)
 - java.lang.Throwable.fillInStackTrace() @bci=0 (Interpreted frame)
 - java.lang.Throwable.<init>() @bci=17, line=260 (Interpreted frame)
 - java.lang.Exception.<init>() @bci=1, line=54 (Interpreted frame)
 - java.lang.RuntimeException.<init>() @bci=1, line=51 (Interpreted frame)
 - java.lang.NullPointerException.<init>() @bci=1, line=55 (Interpreted frame)
Error occurred during stack walking:
java.lang.RuntimeException: Couldn't deduce type of CodeBlob @0xb3a06b48 for PC=0xb3a07254
        at sun.jvm.hotspot.code.CodeCache.findBlobUnsafe(CodeCache.java:117)
        at sun.jvm.hotspot.code.CodeCache.findBlob(CodeCache.java:83)
        at sun.jvm.hotspot.runtime.x86.X86Frame.adjustForDeopt(X86Frame.java:102)
        at sun.jvm.hotspot.runtime.x86.X86Frame.<init>(X86Frame.java:124)
        at sun.jvm.hotspot.runtime.x86.X86Frame.senderForCompiledFrame(X86Frame.java:373)
        at sun.jvm.hotspot.runtime.x86.X86Frame.sender(X86Frame.java:283)
        at sun.jvm.hotspot.runtime.Frame.sender(Frame.java:194)
        at sun.jvm.hotspot.runtime.Frame.realSender(Frame.java:201)
        at sun.jvm.hotspot.runtime.VFrame.sender(VFrame.java:119)
        at sun.jvm.hotspot.runtime.VFrame.javaSender(VFrame.java:151)
        at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:76)
        at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:45)
        at sun.jvm.hotspot.tools.JStack.run(JStack.java:60)
        at sun.jvm.hotspot.tools.Tool.start(Tool.java:221)
        at sun.jvm.hotspot.tools.JStack.main(JStack.java:86)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:613)
        at sun.tools.jstack.JStack.runJStackTool(JStack.java:136)
        at sun.tools.jstack.JStack.main(JStack.java:102)
Caused by: sun.jvm.hotspot.types.WrongTypeException: No suitable match for type of address 0xb3a06b48 (nearest symbol is _ZTV24MethodHandlesAdapterBlob)
        at sun.jvm.hotspot.runtime.VirtualConstructor.instantiateWrapperFor(VirtualConstructor.java:95)
        at sun.jvm.hotspot.code.CodeCache.findBlobUnsafe(CodeCache.java:100)
        ... 20 more


stack reported by gdb:

#0 0xb6e44c8a in CodeHeap::find_start(void*) const () from jdk7b136/jre/lib/i386/server/libjvm.so
#1 0xb6df6252 in frame::sender_for_compiled_frame(RegisterMap*) const () from jdk7b136/jre/lib/i386/server/libjvm.so
#2 0xb6df6549 in frame::sender(RegisterMap*) const () from jre/lib/i386/server/libjvm.so
#3 0xb6e9e49c in java_lang_Throwable::fill_in_stack_trace(Handle, Thread*) () from jdk7b136/jre/lib/i386/server/libjvm.so
#4 0xb6e9e8fb in java_lang_Throwable::fill_in_stack_trace(Handle) () from jdk7b136/jre/lib/i386/server/libjvm.so
#5 0xb6edb3e8 in JVM_FillInStackTrace () from jdk7b136/jre/lib/i386/server/libjvm.so
#6 0xb6a20559 in Java_java_lang_Throwable_fillInStackTrace () from jdk7b136/jre/lib/i386/libjava.so
#7 0xb39ca013 in ?? ()
#8 0x08859d20 in ?? ()
#9 0xb6a8cbb0 in ?? ()
#10 0xb6a8cb88 in ?? ()
#11 0xb71287cc in AbstractInterpreter::can_be_compiled(methodHandle) () from jdk7b136/jre/lib/i386/server/libjvm.so
#12 0xb39c215a in ?? ()
#13 0x00000000 in ?? ()