Fast-compiler: Add stack limit checks to back edges of while, do-while and for.

src/ia32/fast-codegen-ia32.cc

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 362 matching lines @@
         __ mov(eax, Immediate(Factory::the_hole_value()));
         if (FLAG_debug_code) {
           // Check if we have the correct context pointer.
           __ mov(ebx,
                  CodeGenerator::ContextOperand(esi, Context::FCONTEXT_INDEX));
           __ cmp(ebx, Operand(esi));
           __ Check(equal, "Unexpected declaration in current context.");
         }
         __ mov(CodeGenerator::ContextOperand(esi, slot->index()), eax);
         // No write barrier since the_hole_value is in old space.
+        ASSERT(!Heap::InNewSpace(*Factory::the_hole_value()));
       } else if (decl->fun() != NULL) {
         Visit(decl->fun());
         __ pop(eax);
         if (FLAG_debug_code) {
           // Check if we have the correct context pointer.
           __ mov(ebx,
                  CodeGenerator::ContextOperand(esi, Context::FCONTEXT_INDEX));
           __ cmp(ebx, Operand(esi));
           __ Check(equal, "Unexpected declaration in current context.");
         }
         __ mov(CodeGenerator::ContextOperand(esi, slot->index()), eax);
-        int offset = FixedArray::kHeaderSize + slot->index() * kPointerSize;
+        int offset = Context::SlotOffset(slot->index());
         __ RecordWrite(esi, offset, eax, ecx);
       }
       break;
     default:
       UNREACHABLE();
   }
 }
 
 
 void FastCodeGenerator::DeclareGlobals(Handle<FixedArray> pairs) {
@@ skipping 1140 matching lines @@
   true_label_ = saved_true;
   false_label_ = saved_false;
   // Convert current context to test context: End post-test code.
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal