exception handling related changes: * changed blockPredecessors to list of Instructions, instead of Blocks * removed explicit predecessor management in BlockBegin, now using predecessors from Graph structure * replaced generated LIR exception entries with exception dispatch chains in IR * added Unwind and ExceptionDispatch instructions * removed ExceptionEntry flag in BlockBegin and all code depending on it * removed exceptionHandler list from Instruction, replaced by exception Edge on Invoke and Throw * replaced list of ExceptionHandlers with single exception edge in debug info misc: * changed GraphvizPrinter layout (smaller ports on large nodes) * removed defunct run config

--- a/graal/GraalCompiler/src/com/sun/c1x/value/FrameState.java	Fri May 13 17:09:20 2011 -0700
+++ b/graal/GraalCompiler/src/com/sun/c1x/value/FrameState.java	Wed May 18 18:09:20 2011 +0200
@@ -105,7 +105,8 @@
     /**
      * Gets a copy of this frame state without the stack.
      */
-    public FrameState duplicateWithEmptyStack() {
+    @Override
+    public FrameState duplicateWithEmptyStack(int bci) {
         FrameState other = new FrameState(bci, localsSize, 0, locksSize(), graph());
         for (int i = 0; i < localsSize; i++) {
             other.inputs().set(i, localAt(i));