Patch for allowing several V8 instances in process:...

src/ia32/ic-ia32.cc

Index: src/ia32/ic-ia32.cc
===================================================================
--- src/ia32/ic-ia32.cc	(revision 3427)
+++ src/ia32/ic-ia32.cc	(working copy)
@@ -270,7 +270,7 @@
   // In case the loaded value is the_hole we have to consult GetProperty
   // to ensure the prototype chain is searched.
   __ j(equal, &slow);
-  __ IncrementCounter(&Counters::keyed_load_generic_smi, 1);
+  __ IncrementCounter(&COUNTER(keyed_load_generic_smi), 1);
   __ ret(0);
 
   // Check whether the elements is a pixel array.
@@ -289,7 +289,7 @@
 
   // Slow case: Load name and receiver from stack and jump to runtime.
   __ bind(&slow);
-  __ IncrementCounter(&Counters::keyed_load_generic_slow, 1);
+  __ IncrementCounter(&COUNTER(keyed_load_generic_slow), 1);
   Generate(masm, ExternalReference(Runtime::kKeyedGetProperty));
 
   __ bind(&check_string);
@@ -311,7 +311,7 @@
   GenerateDictionaryLoad(masm, &slow, ebx, ecx, edx, eax);
   GenerateCheckNonObjectOrLoaded(masm, &slow, ecx, edx);
   __ mov(eax, Operand(ecx));
-  __ IncrementCounter(&Counters::keyed_load_generic_symbol, 1);
+  __ IncrementCounter(&COUNTER(keyed_load_generic_symbol), 1);
   __ ret(0);
   // If the hash field contains an array index pick it out. The assert checks
   // that the constants for the maximum number of digits for an array index
@@ -482,7 +482,7 @@
 
   // Slow case: Load name and receiver from stack and jump to runtime.
   __ bind(&slow);
-  __ IncrementCounter(&Counters::keyed_load_external_array_slow, 1);
+  __ IncrementCounter(&COUNTER(keyed_load_external_array_slow), 1);
   Generate(masm, ExternalReference(Runtime::kKeyedGetProperty));
 }