Add asserts to ensure that we:

src/ia32/ic-ia32.cc

Index: src/ia32/ic-ia32.cc
===================================================================
--- src/ia32/ic-ia32.cc	(revision 9277)
+++ src/ia32/ic-ia32.cc	(working copy)
@@ -951,22 +951,22 @@
   // Get the receiver of the function from the stack; 1 ~ return address.
   __ mov(edx, Operand(esp, (argc + 1) * kPointerSize));
 
-  // Enter an internal frame.
-  __ EnterInternalFrame();
+  {
+    FrameScope scope(masm, StackFrame::INTERNAL);
 
-  // Push the receiver and the name of the function.
-  __ push(edx);
-  __ push(ecx);
+    // Push the receiver and the name of the function.
+    __ push(edx);
+    __ push(ecx);
 
-  // Call the entry.
-  CEntryStub stub(1);
-  __ mov(eax, Immediate(2));
-  __ mov(ebx, Immediate(ExternalReference(IC_Utility(id), masm->isolate())));
-  __ CallStub(&stub);
+    // Call the entry.
+    CEntryStub stub(1);
+    __ mov(eax, Immediate(2));
+    __ mov(ebx, Immediate(ExternalReference(IC_Utility(id), masm->isolate())));
+    __ CallStub(&stub);
 
-  // Move result to edi and exit the internal frame.
-  __ mov(edi, eax);
-  __ LeaveInternalFrame();
+    // Move result to edi and exit the internal frame.
+    __ mov(edi, eax);
+  }
 
   // Check if the receiver is a global object of some sort.
   // This can happen only for regular CallIC but not KeyedCallIC.
@@ -1111,13 +1111,17 @@
   // This branch is taken when calling KeyedCallIC_Miss is neither required
   // nor beneficial.
   __ IncrementCounter(counters->keyed_call_generic_slow_load(), 1);
-  __ EnterInternalFrame();
-  __ push(ecx);  // save the key
-  __ push(edx);  // pass the receiver
-  __ push(ecx);  // pass the key
-  __ CallRuntime(Runtime::kKeyedGetProperty, 2);
-  __ pop(ecx);  // restore the key
-  __ LeaveInternalFrame();
+
+  {
+    FrameScope scope(masm, StackFrame::INTERNAL);
+    __ push(ecx);  // save the key
+    __ push(edx);  // pass the receiver
+    __ push(ecx);  // pass the key
+    __ CallRuntime(Runtime::kKeyedGetProperty, 2);
+    __ pop(ecx);  // restore the key
+    // Leave the internal frame.
+  }
+
   __ mov(edi, eax);
   __ jmp(&do_call);