1 files changed, 3 insertions, 2 deletions
diff --git a/js/src/jit/MIR.h b/js/src/jit/MIR.h
index 81662a9be..a7daea081 100644
--- a/js/src/jit/MIR.h
+++ b/js/src/jit/MIR.h
@@ -5007,9 +5007,10 @@ class MCreateThis
     TRIVIAL_NEW_WRAPPERS
     NAMED_OPERANDS((0, getCallee), (1, getNewTarget))
 
-    // Although creation of |this| modifies global state, it is safely repeatable.
+    // Performs a property read from |newTarget| if |newTarget| is a JSFunction
+    // with an own |.prototype| property.
     AliasSet getAliasSet() const override {
-        return AliasSet::None();
+        return AliasSet::Load(AliasSet::Any);
     }
     bool possiblyCalls() const override {
         return true;