[PATCH] D108332: Have lit preserve SOURCE_DATE_EPOCH

[serge via Phabricator via llvm-commits]

serge-sans-paille added a comment.

In D108332#2953877 <https://reviews.llvm.org/D108332#2953877>, @dblaikie wrote:

> What sort of use would we have for this variable inside lit tests?

Some llvm and clang tests rely on compression through zlib (e.g. when testing compressed debug info). In some case, compression output may differ, e.g. when some hardware acceleration happen (see https://github.com/madler/zlib/pull/410) and that issue can be mitigated by setting SOURCE_DATE_EPOCH


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