-0
-0
-0
-1
-2
-10
-20
-30
+Uninitialized attribute _a1 in base_attr_nullable_int_alt3::Bar::(base_attr_nullable_int_alt3::Foo::run) (alt/base_attr_nullable_int_alt3.nit:58)
+,---- Stack trace -- - - -
+| base_attr_nullable_int_alt3::Bar::(base_attr_nullable_int_alt3::Foo::run) (alt/base_attr_nullable_int_alt3.nit:56)
+| base_attr_nullable_int_alt3::Bar::init (alt/base_attr_nullable_int_alt3.nit:63)
+| base_attr_nullable_int_alt3::Sys::main (alt/base_attr_nullable_int_alt3.nit:75)
+`------------------- - - -