Experimental: a quick hack to allow different live values to flow down...

src/virtual-frame-ia32.cc

Index: src/virtual-frame-ia32.cc
===================================================================
--- src/virtual-frame-ia32.cc	(revision 1041)
+++ src/virtual-frame-ia32.cc	(working copy)
@@ -308,9 +308,12 @@
   // with the frame.  We simply save the current frame and restore it at the
   // end of this function.  We should find a better way to deal with this.
   VirtualFrame* original_frame = cgen_->frame();
+  RegisterFile non_frame_registers;
+  non_frame_registers.Use(esi);
+  non_frame_registers.Use(ebp);
+  non_frame_registers.Use(esp);
+  cgen_->SetFrame(this, &non_frame_registers);
   ASSERT(cgen_->HasValidEntryRegisters());
-  cgen_->SetFrame(this);
-  ASSERT(cgen_->HasValidEntryRegisters());
 
   // Remove constants from the frame and ensure that no registers are
   // multiply referenced within the frame.  Allocate elements to their new
@@ -383,8 +386,7 @@
 
   delete[] new_elements;
   ASSERT(cgen_->HasValidEntryRegisters());
-  cgen_->SetFrame(original_frame);
-  ASSERT(cgen_->HasValidEntryRegisters());
+  cgen_->SetFrame(original_frame, &non_frame_registers);
 }