// warnings for them when the module was created. We only want to warn for
// duplicates between non-dependent modules:
//
- // MT
- // / \
- // ML MR
+ // MT //
+ // / \ //
+ // ML MR //
//
// We want to warn for duplicates between ML and MR,not between ML and MT.
//
// FIXME: We should not warn for duplicates in diamond:
//
- // MT
- // / \
- // ML MR
- // \ /
- // MB
+ // MT //
+ // / \ //
+ // ML MR //
+ // \ / //
+ // MB //
//
// If there are duplicates in ML/MR, there will be warning when creating
// MB *and* when importing MB. We should not warn when importing.