Fix gep on pointers to non-number

Author: antoyo

Cargo.lock

@@ -922,7 +922,8 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> {
         // require dereferencing the pointer.
         for index in indices {
             pointee_type = pointee_type.get_pointee().expect("pointee type");
-            let pointee_size = self.context.new_rvalue_from_int(index.get_type(), pointee_type.get_size() as i32);
+            let size = self.cx.context.new_sizeof(pointee_type);
+            let pointee_size = self.context.new_cast(None, size, index.get_type());
             result = result + self.gcc_int_cast(*index * pointee_size, self.sizet_type);
         }
         self.context.new_bitcast(None, result, ptr_type)