VM: Clean up generated code for NoSuchMethod invocation of closures.

runtime/vm/stub_code_ia32.cc

Index: runtime/vm/stub_code_ia32.cc
===================================================================
--- runtime/vm/stub_code_ia32.cc	(revision 39693)
+++ runtime/vm/stub_code_ia32.cc	(working copy)
@@ -1196,7 +1196,6 @@
 // Input parameters:
 //   ESP : points to return address.
 //   ESP + 4 : address of last argument.
-//   ECX : ic-data.
 //   EDX : arguments descriptor array.
 // Uses EAX, EBX, EDI as temporary registers.
 void StubCode::GenerateCallNoSuchMethodFunctionStub(Assembler* assembler) {
@@ -1210,17 +1209,17 @@
       Immediate(reinterpret_cast<intptr_t>(Object::null()));
   __ pushl(raw_null);  // Setup space on stack for result from noSuchMethod.
   __ pushl(EAX);  // Receiver.
-  __ pushl(ECX);  // IC data array.
   __ pushl(EDX);  // Arguments descriptor array.
 
   __ movl(EDX, EDI);
   // EDX: Smi-tagged arguments array length.
   PushArgumentsArray(assembler);
 
-  __ CallRuntime(kInvokeNoSuchMethodFunctionRuntimeEntry, 4);
+  const intptr_t kNumArgs = 3;
+  __ CallRuntime(kInvokeNoSuchMethodFunctionRuntimeEntry, kNumArgs);
 
   // Remove arguments.
-  __ Drop(4);
+  __ Drop(kNumArgs);
   __ popl(EAX);  // Get result into EAX.
 
   // Remove the stub frame as we are about to return.