diff --git a/js/src/jit/MIR.h b/js/src/jit/MIR.h
index f555729c50e..25e62cd9f1e 100644
--- a/js/src/jit/MIR.h
+++ b/js/src/jit/MIR.h
@@ -4657,6 +4657,9 @@ class MFromCharCode
   public:
     INSTRUCTION_HEADER(FromCharCode)
 
+    TypePolicy *typePolicy() {
+        return this;
+    }
     static MFromCharCode *New(TempAllocator &alloc, MDefinition *code) {
         return new(alloc) MFromCharCode(code);
     }
@@ -5514,6 +5517,10 @@ class MLambdaPar
         return getOperand(1);
     }
 
+    TypePolicy *typePolicy() {
+        return this;
+    }
+
     const LambdaFunctionInfo &info() const {
         return info_;
     }
@@ -9391,6 +9398,9 @@ class MGuardThreadExclusive
     AliasSet getAliasSet() const {
         return AliasSet::None();
     }
+    TypePolicy *typePolicy() {
+        return this;
+    }
     bool possiblyCalls() const {
         return true;
     }
@@ -9957,6 +9967,9 @@ class MIsCallable
         return new(alloc) MIsCallable(obj);
     }
 
+    TypePolicy *typePolicy() {
+        return this;
+    }
     MDefinition *object() const {
         return getOperand(0);
     }
@@ -10016,6 +10029,9 @@ class MHasClass
         return new(alloc) MHasClass(obj, clasp);
     }
 
+    TypePolicy *typePolicy() {
+        return this;
+    }
     MDefinition *object() const {
         return getOperand(0);
     }