Fix Mac problem with stubs initialization

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/12096040

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13542 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/arm/lithium-codegen-arm.cc

@@ -66,8 +66,6 @@ bool LCodeGen::GenerateCode() {
   ASSERT(is_unused());
   status_ = GENERATING;
 
-  CodeStub::GenerateFPStubs();
-
   // Open a frame scope to indicate that there is a frame on the stack.  The
   // NONE indicates that the scope shouldn't actually generate code to set up
   // the frame (that is done in GeneratePrologue).

src/ia32/lithium-codegen-ia32.cc

@@ -72,8 +72,6 @@ bool LCodeGen::GenerateCode() {
   ASSERT(is_unused());
   status_ = GENERATING;
 
-  CodeStub::GenerateFPStubs();
-
   // Open a frame scope to indicate that there is a frame on the stack.  The
   // MANUAL indicates that the scope shouldn't actually generate code to set up
   // the frame (that is done in GeneratePrologue).

src/isolate.cc

@@ -2098,6 +2098,7 @@ bool Isolate::Init(Deserializer* des) {
   if (!Serializer::enabled()) {
     // Ensure that the stub failure trampoline has been generated.
     HandleScope scope(this);
+    CodeStub::GenerateFPStubs();
     StubFailureTrampolineStub().GetCode();
   }
 

src/parser.cc

@@ -52,7 +52,10 @@ namespace internal {
 class PositionStack  {
  public:
   explicit PositionStack(bool* ok) : top_(NULL), ok_(ok) {}
-  ~PositionStack() { ASSERT(!*ok_ || is_empty()); }
+  ~PositionStack() {
+    ASSERT(!*ok_ || is_empty());
+    USE(ok_);
+  }
 
   class Element  {
    public: