[libc-commits] [PATCH] D149750: [libc] Enable the '__support' unit tests to be hermetic

[Joseph Huber via Phabricator via libc-commits]

jhuber6 added inline comments.


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Comment at: libc/test/src/__support/CMakeLists.txt:91
+  # This test relies on 'realloc' which is not implemented for hermetic tests.
+  UNIT_TEST_ONLY
   SUITE
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sivachandra wrote:
> We do have realloc: https://github.com/llvm/llvm-project/blob/main/libc/test/UnitTest/HermeticTestUtils.cpp#L68
Doesn't `realloc` need to copy the old memory? This just allocates a new pointer, which is going to be zero thus the tests fail and print an empty string.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D149750/new/

https://reviews.llvm.org/D149750