Encode CEntryStub properties in the minor key.

src/arm/code-stubs-arm.h

Index: src/arm/code-stubs-arm.h
diff --git a/src/arm/code-stubs-arm.h b/src/arm/code-stubs-arm.h
index 08efecb8a64df2ab9a7b012305f8f71efeece54f..64a0c1864b1393b44690659ce0c768f69212b713 100644
--- a/src/arm/code-stubs-arm.h
+++ b/src/arm/code-stubs-arm.h
@@ -28,7 +28,7 @@ class StoreBufferOverflowStub: public PlatformCodeStub {
   SaveFPRegsMode save_doubles_;
 
   Major MajorKey() const { return StoreBufferOverflow; }
-  int MinorKey() const { return (save_doubles_ == kSaveFPRegs) ? 1 : 0; }
+  uint32_t MinorKey() const { return (save_doubles_ == kSaveFPRegs) ? 1 : 0; }
 };
 
 
@@ -69,7 +69,7 @@ class SubStringStub: public PlatformCodeStub {
 
  private:
   Major MajorKey() const { return SubString; }
-  int MinorKey() const { return 0; }
+  uint32_t MinorKey() const { return 0; }
 
   void Generate(MacroAssembler* masm);
 };
@@ -100,7 +100,7 @@ class StringCompareStub: public PlatformCodeStub {
 
  private:
   virtual Major MajorKey() const { return StringCompare; }
-  virtual int MinorKey() const { return 0; }
+  virtual uint32_t MinorKey() const { return 0; }
   virtual void Generate(MacroAssembler* masm);
 
   static void GenerateAsciiCharsCompareLoop(MacroAssembler* masm,
@@ -140,7 +140,7 @@ class WriteInt32ToHeapNumberStub : public PlatformCodeStub {
   class ScratchRegisterBits: public BitField<int, 8, 4> {};
 
   Major MajorKey() const { return WriteInt32ToHeapNumber; }
-  int MinorKey() const {
+  uint32_t MinorKey() const {
     // Encode the parameters in a unique 16 bit value.
     return IntRegisterBits::encode(the_int_.code())
            | HeapNumberRegisterBits::encode(the_heap_number_.code())
@@ -307,7 +307,7 @@ class RecordWriteStub: public PlatformCodeStub {
 
   Major MajorKey() const { return RecordWrite; }
 
-  int MinorKey() const {
+  uint32_t MinorKey() const {
     return ObjectBits::encode(object_.code()) |
         ValueBits::encode(value_.code()) |
         AddressBits::encode(address_.code()) |
@@ -348,7 +348,7 @@ class DirectCEntryStub: public PlatformCodeStub {
 
  private:
   Major MajorKey() const { return DirectCEntry; }
-  int MinorKey() const { return 0; }
+  uint32_t MinorKey() const { return 0; }
 
   bool NeedsImmovableCode() { return true; }
 };
@@ -395,7 +395,7 @@ class NameDictionaryLookupStub: public PlatformCodeStub {
 
   Major MajorKey() const { return NameDictionaryLookup; }
 
-  int MinorKey() const { return LookupModeBits::encode(mode_); }
+  uint32_t MinorKey() const { return LookupModeBits::encode(mode_); }
 
   class LookupModeBits: public BitField<LookupMode, 0, 1> {};