[win][clang] Do not inject static_assert macro definition  (#147030)

In ms-compatibility mode we inject static_assert macro definition if
assert macro is defined. This is done by
8da090381d567d0ec555840f6b2a651d2997e4b3
for the sake of better diagnosing, in particular to emit a compatibility
warning when static_assert keyword is used without inclusion of
<assert.h>. Unfortunately it doesn't do a good job in c99 mode adding
that macro unexpectedly for the users, so this patch removes macro
injection and the diagnostics.

---------

Co-authored-by: Corentin Jabot <corentinjabot@gmail.com>
8 files changed
tree: 61cbdb5180a3f3d17a3c354ea4406cbc0242bb7f
  1. .ci/
  2. .github/
  3. bolt/
  4. clang/
  5. clang-tools-extra/
  6. cmake/
  7. compiler-rt/
  8. cross-project-tests/
  9. flang/
  10. flang-rt/
  11. libc/
  12. libclc/
  13. libcxx/
  14. libcxxabi/
  15. libunwind/
  16. lld/
  17. lldb/
  18. llvm/
  19. llvm-libgcc/
  20. mlir/
  21. offload/
  22. openmp/
  23. polly/
  24. runtimes/
  25. third-party/
  26. utils/
  27. .clang-format
  28. .clang-format-ignore
  29. .clang-tidy
  30. .git-blame-ignore-revs
  31. .gitattributes
  32. .gitignore
  33. .mailmap
  34. CODE_OF_CONDUCT.md
  35. CONTRIBUTING.md
  36. LICENSE.TXT
  37. pyproject.toml
  38. README.md
  39. SECURITY.md
README.md

The LLVM Compiler Infrastructure

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Welcome to the LLVM project!

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