================
@@ -851,6 +851,33 @@ static void InitializePredefinedMacros(const TargetInfo
&TI,
Twine(getClangFullCPPVersion()) + "\"");
// Initialize language-specific preprocessor defines.
+ if (LangOpts.getLibcxxHardeningMode()) {
+ const char *LibcxxHardeningStr;
+
+ Builder.defineMacro("_LIBCPP_HARDENING_MODE_NONE", "0");
----------------
ldionne wrote:
It would be great to avoid coupling these values between Clang and libc++.
Can't you just define e.g. `_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_FAST`
without actually defining what `_LIBCPP_HARDENING_MODE_FAST` expands to?
https://github.com/llvm/llvm-project/pull/78763
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