[libc-commits] [PATCH] D121235: [libc] Add testing macros for errno and floating point exceptions.

[Michael Jones via Phabricator via libc-commits]

michaelrj added inline comments.


================
Comment at: libc/utils/UnitTest/FPMatcher.h:104
+#define EXPECT_MATH_ERRNO(expected)                                            \
+  do {                                                                         \
+    if (math_errhandling & MATH_ERRNO) {                                       \
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why is the do/while(0) necessary?


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D121235/new/

https://reviews.llvm.org/D121235