Remove unnecessary bitcast

Author: antoyo

src/builder.rs

@@ -1125,10 +1125,10 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> {
         // `int → volatile int __attribute__((aligned(1)))` is not. This seems
         // like a bug in libgccjit. The easiest way to work around this is to
         // bitcast `val` to have the matching qualifiers.
-        val = self.cx.context.new_bitcast(None, val, modified_destination_type);
+        //val = self.cx.context.new_bitcast(None, val, modified_destination_type);
 
         let modified_ptr =
-            self.cx.context.new_bitcast(None, ptr, modified_destination_type.make_pointer());
+            self.cx.context.new_cast(None, ptr, modified_destination_type.make_pointer());
         let modified_destination = modified_ptr.dereference(None);
         self.llbb().add_assignment(None, modified_destination, val);
         // TODO(antoyo): handle `MemFlags::NONTEMPORAL`.