Rollback to Version 3.28.4 (based on bleeding_edge revision r22031)

src/x64/debug-x64.cc

Index: src/x64/debug-x64.cc
diff --git a/src/x64/debug-x64.cc b/src/x64/debug-x64.cc
index f0f8198c16cf1fe727755d13ea140e8c8e966542..4703e42354746586dfc2558173d0563089800493 100644
--- a/src/x64/debug-x64.cc
+++ b/src/x64/debug-x64.cc
@@ -162,9 +162,11 @@ void DebugCodegen::GenerateCallICStubDebugBreak(MacroAssembler* masm) {
 
 void DebugCodegen::GenerateLoadICDebugBreak(MacroAssembler* masm) {
   // Register state for IC load call (from ic-x64.cc).
-  Register receiver = LoadIC::ReceiverRegister();
-  Register name = LoadIC::NameRegister();
-  Generate_DebugBreakCallHelper(masm, receiver.bit() | name.bit(), 0, false);
+  // ----------- S t a t e -------------
+  //  -- rax    : receiver
+  //  -- rcx    : name
+  // -----------------------------------
+  Generate_DebugBreakCallHelper(masm, rax.bit() | rcx.bit(), 0, false);
 }
 
 
@@ -182,9 +184,11 @@ void DebugCodegen::GenerateStoreICDebugBreak(MacroAssembler* masm) {
 
 void DebugCodegen::GenerateKeyedLoadICDebugBreak(MacroAssembler* masm) {
   // Register state for keyed IC load call (from ic-x64.cc).
-  Register receiver = KeyedLoadIC::ReceiverRegister();
-  Register name = KeyedLoadIC::NameRegister();
-  Generate_DebugBreakCallHelper(masm, receiver.bit() | name.bit(), 0, false);
+  // ----------- S t a t e -------------
+  //  -- rax     : key
+  //  -- rdx     : receiver
+  // -----------------------------------
+  Generate_DebugBreakCallHelper(masm, rax.bit() | rdx.bit(), 0, false);
 }