Fix a race condition caused by concurrently executed codegen unit tests. #33317
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…r=alexcrichton Fix a race condition caused by concurrently executed codegen unit tests. This hopefully fixes issue #33315. This short-term solution just makes sure that every test uses its own directory so they can't get into conflict with each other. As a more long-term solution, I'd probably prefer to make the partitioning scheme specifiable via `-Ccodegen-units` (e.g. like `-Ccodegen-units=per-module`) so that we don't have to rely on `-Zincremental` in these test cases. r? @alexcrichton
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This hopefully fixes issue #33315.
This short-term solution just makes sure that every test uses its own directory so they can't get into conflict with each other.
As a more long-term solution, I'd probably prefer to make the partitioning scheme specifiable via
-Ccodegen-units(e.g. like-Ccodegen-units=per-module) so that we don't have to rely on-Zincrementalin these test cases.r? @alexcrichton