Make stack_parameter_count a plain register.

src/ia32/code-stubs-ia32.cc

Index: src/ia32/code-stubs-ia32.cc
diff --git a/src/ia32/code-stubs-ia32.cc b/src/ia32/code-stubs-ia32.cc
index beaf3206a6c1aff2e6fb72eaab8029a0358b73f1..744c41ca3b403c568c2377274d4251db738fceda 100644
--- a/src/ia32/code-stubs-ia32.cc
+++ b/src/ia32/code-stubs-ia32.cc
@@ -172,7 +172,7 @@ static void InitializeArrayConstructorDescriptor(
 
   if (constant_stack_parameter_count != 0) {
     // stack param count needs (constructor pointer, and single argument)
-    descriptor->stack_parameter_count_ = &eax;
+    descriptor->stack_parameter_count_ = eax;
   }
   descriptor->hint_stack_parameter_count_ = constant_stack_parameter_count;
   descriptor->register_params_ = registers;
@@ -194,7 +194,7 @@ static void InitializeInternalArrayConstructorDescriptor(
 
   if (constant_stack_parameter_count != 0) {
     // stack param count needs (constructor pointer, and single argument)
-    descriptor->stack_parameter_count_ = &eax;
+    descriptor->stack_parameter_count_ = eax;
   }
   descriptor->hint_stack_parameter_count_ = constant_stack_parameter_count;
   descriptor->register_params_ = registers;