Bug 1023158 - Add writeDataRelocation() call, r=jandem.

js/src/jit/x64/MacroAssembler-x64.h

@@ -201,7 +201,13 @@ class MacroAssemblerX64 : public MacroAssemblerX86Shared
     }
     void pushValue(const Value &val) {
         jsval_layout jv = JSVAL_TO_IMPL(val);
-        push(ImmWord(jv.asBits));
+        if (val.isMarkable()) {
+            movWithPatch(ImmWord(jv.asBits), ScratchReg);
+            writeDataRelocation(val);
+            push(ScratchReg);
+        } else {
+            push(ImmWord(jv.asBits));
+        }
     }
     void pushValue(JSValueType type, Register reg) {
         boxValue(type, reg, ScratchReg);