1 files changed, 5 insertions, 3 deletions
diff --git a/Source/JavaScriptCore/assembler/MacroAssemblerX86Common.h b/Source/JavaScriptCore/assembler/MacroAssemblerX86Common.h
index 432489dbc..115b337f7 100644
--- a/Source/JavaScriptCore/assembler/MacroAssemblerX86Common.h
+++ b/Source/JavaScriptCore/assembler/MacroAssemblerX86Common.h
@@ -47,7 +47,10 @@ public:
     typedef X86Assembler::FPRegisterID FPRegisterID;
     typedef X86Assembler::XMMRegisterID XMMRegisterID;
     
-    static const int MaximumCompactPtrAlignedAddressOffset = 127;
+    static bool isCompactPtrAlignedAddressOffset(ptrdiff_t value)
+    {
+        return value >= -128 && value <= 127;
+    }
 
     enum RelationalCondition {
         Equal = X86Assembler::ConditionE,
@@ -494,8 +497,7 @@ public:
     
     static void repatchCompact(CodeLocationDataLabelCompact dataLabelCompact, int32_t value)
     {
-        ASSERT(value >= 0);
-        ASSERT(value < MaximumCompactPtrAlignedAddressOffset);
+        ASSERT(isCompactPtrAlignedAddressOffset(value));
         AssemblerType_T::repatchCompact(dataLabelCompact.dataLocation(), value);
     }