removed unused multi_val from DictVal

src/hb-cff-interp-common.hh

@@ -596,22 +596,6 @@ struct ArgStack : Stack<ARG, 513>
     return (unsigned)i;
   }
 
-  inline void pop_delta (hb_vector_t<ARG>& vec, bool even=false)
-  {
-    if (even && unlikely ((this->count & 1) != 0))
-    {
-      S::set_error ();
-      return;
-    }
-
-    float val = 0.0f;
-    for (unsigned int i = 0; i < S::count; i++) {
-      val += S::elements[i].to_real ();
-      ARG *n = vec.push ();
-      n->set_real (val);
-    }
-  }
-
   inline void push_longint_from_substr (SubByteStr& substr)
   {
     push_int ((substr[0] << 24) | (substr[1] << 16) | (substr[2] << 8) | (substr[3]));

src/hb-cff-interp-dict-common.hh

@@ -39,16 +39,13 @@ struct DictVal : OpStr
   inline void init (void)
   {
     single_val.set_int (0);
-    multi_val.init ();
   }
 
   inline void fini (void)
   {
-    multi_val.fini ();
   }
 
   Number              single_val;
-  hb_vector_t<Number> multi_val;
 };
 
 typedef DictVal NumDictVal;

src/hb-ot-cff1-table.hh

@@ -857,7 +857,7 @@ struct CFF1PrivateDictOpSet : DictOpSet
       case OpCode_FamilyOtherBlues:
       case OpCode_StemSnapH:
       case OpCode_StemSnapV:
-        env.argStack.pop_delta (val.multi_val);
+        env.clear_args ();
         break;
       case OpCode_StdHW:
       case OpCode_StdVW:

src/hb-ot-cff2-table.hh

@@ -338,7 +338,6 @@ struct CFF2PrivateDictOpSet : DictOpSet
       case OpCode_FamilyOtherBlues:
       case OpCode_StemSnapH:
       case OpCode_StemSnapV:
-        env.argStack.pop_delta (val.multi_val);
         env.clear_args ();
         break;
       case OpCode_Subrs: