Fix build on i386.

Index: Source/JavaScriptCore/llint/LowLevelInterpreter.asm
--- Source/JavaScriptCore/llint/LowLevelInterpreter.asm.orig
+++ Source/JavaScriptCore/llint/LowLevelInterpreter.asm
@@ -3128,6 +3128,13 @@ _wasm_ipint_call_return_location_wide16:
 _wasm_ipint_call_return_location_wide32:
     crash()
 
+if C_LOOP and not JSVALUE64
+_op_instanceof_return_location:
+_op_instanceof_return_location_wide16:
+_op_instanceof_return_location_wide32:
+    crash()
+end
+
 end # WEBASSEMBLY
 
 include? LowLevelInterpreterAdditions
