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

src/register-allocator-ia32.cc

Index: src/register-allocator-ia32.cc
===================================================================
--- src/register-allocator-ia32.cc	(revision 1041)
+++ src/register-allocator-ia32.cc	(working copy)
@@ -103,14 +103,30 @@
 
 
 // -------------------------------------------------------------------------
+// RegisterFile implementation.
+
+
+void RegisterFile::CopyTo(RegisterFile* other) {
+  for (int i = 0; i < kNumRegisters; i++) {
+    other->ref_counts_[i] = ref_counts_[i];
+  }
+}
+
+
+// -------------------------------------------------------------------------
 // RegisterAllocator implementation.
 
 void RegisterAllocator::Initialize() {
+  Reset();
+  Use(edi);
+}
+
+
+void RegisterAllocator::Reset() {
   registers_.Reset();
   Use(esp);
   Use(ebp);
   Use(esi);
-  Use(edi);
 }