Version 2.2.11...

src/x64/debug-x64.cc

Index: src/x64/debug-x64.cc
===================================================================
--- src/x64/debug-x64.cc	(revision 4699)
+++ src/x64/debug-x64.cc	(working copy)
@@ -28,6 +28,8 @@
 
 #include "v8.h"
 
+#if defined(V8_TARGET_ARCH_X64)
+
 #include "codegen-inl.h"
 #include "debug.h"
 
@@ -132,10 +134,10 @@
   // Register state for keyed IC load call (from ic-x64.cc).
   // ----------- S t a t e -------------
   //  -- rax    : value
+  //  -- rcx    : key
+  //  -- rdx    : receiver
   // -----------------------------------
-  // Register rax contains an object that needs to be pushed on the
-  // expression stack of the fake JS frame.
-  Generate_DebugBreakCallHelper(masm, rax.bit(), false);
+  Generate_DebugBreakCallHelper(masm, rax.bit() | rcx.bit() | rdx.bit(), false);
 }
 
 
@@ -216,3 +218,5 @@
 #endif  // ENABLE_DEBUGGER_SUPPORT
 
 } }  // namespace v8::internal
+
+#endif  // V8_TARGET_ARCH_X64