Fix deduplication of -enable-experimental-feature #1044
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When using a Swift package that contains multiple experimental features (i.e. https://github.com/sersoft-gmbh/swift-smtp ), the error that is returned shows treats one of the features as an input file.
This is due to the generated parameters within the
*.swiftmodule-0.params
file that is used to set the build arguments, where-enable-experimental-feature
was deduplicated. The deduplication happens duringbzl_selects.to_starlark
as it operates on sets, instead of lists.Changes:
bzl_selects.unwrap_list
to operate on lists instead of setsunwrap_list
, as it shouldn't be treated as a set.