--- a/js/src/jit/IonBuilder.cpp
+++ b/js/src/jit/IonBuilder.cpp
@@ -1956,16 +1956,17 @@ IonBuilder::inspectOpcode(JSOp op)
         return Ok();
 
       case JSOP_NEWINIT:
         if (GET_UINT8(pc) == JSProto_Array)
             return jsop_newarray(0);
         return jsop_newobject();
 
       case JSOP_NEWARRAY:
+      case JSOP_SPREADCALLARRAY:
         return jsop_newarray(GET_UINT32(pc));
 
       case JSOP_NEWARRAY_COPYONWRITE:
         return jsop_newarray_copyonwrite();
 
       case JSOP_NEWOBJECT:
         return jsop_newobject();