silence MVC warnings

src/hb-cff-interp-common.hh

@@ -691,7 +691,7 @@ struct opset_t
 
       case OpCode_TwoByteNegInt0: case OpCode_TwoByteNegInt1:
       case OpCode_TwoByteNegInt2: case OpCode_TwoByteNegInt3:
-	env.argStack.push_int ((int16_t)(-(op - OpCode_TwoByteNegInt0) * 256 - env.str_ref[0] - 108));
+	env.argStack.push_int ((-(int16_t)(op - OpCode_TwoByteNegInt0) * 256 - env.str_ref[0] - 108));
 	env.str_ref.inc ();
 	break;
 

src/hb-ot-cff1-table.cc

@@ -165,8 +165,8 @@ struct bounds_t
 {
   void init ()
   {
-    min.set_int (0x7FFFFFFF, 0x7FFFFFFF);
-    max.set_int (-0x80000000, -0x80000000);
+    min.set_int ((1<<31)-1, (1<<31)-1);
+    max.set_int (-(1<<31), -(1<<31));
   }
 
   void update (const point_t &pt)

src/hb-ot-cff2-table.cc

@@ -34,10 +34,10 @@ struct extents_param_t
   void init ()
   {
     path_open = false;
-    min_x.set_int (0x7FFFFFFF);
-    min_y.set_int (0x7FFFFFFF);
-    max_x.set_int (-0x80000000);
-    max_y.set_int (-0x80000000);
+    min_x.set_int ((1<<31)-1);
+    min_y.set_int ((1<<31)-1);
+    max_x.set_int (-(1<<31));
+    max_y.set_int (-(1<<31));
   }
 
   void start_path ()         { path_open = true; }