[libc-commits] [libc] [libc] Properly clear out errno in tests that check its value. (PR #131650)

[Michael Jones via libc-commits]

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@@ -15,6 +15,7 @@
 using namespace LIBC_NAMESPACE::testing::ErrnoSetterMatcher;
 
 TEST(LlvmLibcEpollCreate1Test, Basic) {
+  LIBC_NAMESPACE::libc_errno = 0;
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michaelrj-google wrote:

imo we should be resetting errno at the end of tests instead of at the start. Ideally we should assume we start from a clean state.

https://github.com/llvm/llvm-project/pull/131650