--- a/js/src/jit/none/MacroAssembler-none.h
+++ b/js/src/jit/none/MacroAssembler-none.h
@@ -382,16 +382,17 @@ class MacroAssemblerNone : public Assemb
 #ifdef JSGC_GENERATIONAL
     void branchPtrInNurseryRange(Condition, Register, Register, Label *) { MOZ_CRASH(); }
     void branchValueIsNurseryObject(Condition, ValueOperand, Register, Label *) { MOZ_CRASH(); }
 #endif
 
     bool buildFakeExitFrame(Register, uint32_t *) { MOZ_CRASH(); }
     bool buildOOLFakeExitFrame(void *) { MOZ_CRASH(); }
     void loadAsmJSActivation(Register) { MOZ_CRASH(); }
+    void loadAsmJSHeapRegisterFromGlobalData() { MOZ_CRASH(); }
     void memIntToValue(Address, Address) { MOZ_CRASH(); }
 
     void setPrinter(Sprinter *) { MOZ_CRASH(); }
 
 #ifdef JS_NUNBOX32
     Address ToPayload(Address) { MOZ_CRASH(); }
     Address ToType(Address) { MOZ_CRASH(); }
 #endif