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Make sure that module scope variables of extern types are default initalized #26417

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Make sure that module scope variables of extern types are default initalized #26417

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@jabraham17 jabraham17 commented Dec 16, 2024 •
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Fixes an issue where module scope variables of an extern type where not default initialized properly. This was caused by a dead store of PRIM_ZERO_VARIABLE to a temporary, created by makeHeapAllocations in the parallel pass.

The fix is to just set the temporary back to the "pointer"

This PR also adds a NUMLOCALES file to some C extern tests to ensure they are run in nightly gasnet+asan tests

Resolves #26406

Testing

  • ran start_test with GASNet + ASAN tesing on test/extern/bharshbarg/ and test/extern/ferguson/
  • full paratest without comm
  • full paratest with comm

[Reviewed by @mppf]

@jabraham17 jabraham17 requested a review from mppf December 16, 2024 20:47
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@mppf mppf mppf approved these changes

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[Bug]: Chapel variables with extern types may not be default initialized
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@jabraham17 @mppf