Keith Smiley 17386cb4dc [clang][Driver] Make multiarch output file basenames reproducible ...

When building a multiarch MachO binary, previously the intermediate
output file names would contain random characters. On macOS this
filename, since it's used when linking, ended up being used as a
stable-ish identifier for the adhoc codesignature of the binary, leading
to non-reproducible binaries. This change uses the architecture, when
available, to create a stable, but unique, basename for the file.

Differential Revision: https://reviews.llvm.org/D111269

2021-10-19 13:49:47 -07:00

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