================
@@ -1256,6 +1256,14 @@ void Clang::AddPreprocessingOptions(Compilation &C,
const JobAction &JA,
if (Arg *A = Args.getLastArg(options::OPT_I_))
D.Diag(diag::err_drv_I_dash_not_supported) << A->getAsString(Args);
+ if (Arg *A = Args.getLastArg(options::OPT_stdlib_hardening_EQ)) {
+ if (types::isCXX(Inputs[0].getType()) &&
----------------
MaskRay wrote:
If a project mixes C and C++, and I want to use one option,
`-D_LIBCPP_HARDENING_MODE=... a.c` is totally fine while using
`-fstdlib-hardening=` will cause an error. I wonder whether it's the desired
behavior.
https://github.com/llvm/llvm-project/pull/78763
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