Jan Svoboda 3ea5dff0ef [clang][modules] Only avoid pruning module maps when asked to (#89428) ...

Pruning non-affecting module maps is useful even when passing module
maps explicitly via `-fmodule-map-file=<path>`. For this situation, this
patch reinstates the behavior we had prior to #87849. For the situation
where the explicit module map file arguments were generated by the
dependency scanner (which already pruned the non-affecting ones), this
patch introduces new `-cc1` flag
`-fno-modules-prune-non-affecting-module-map-files` that avoids the
extra work.

2024-04-19 12:45:40 -07:00

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