================
@@ -7238,10 +7238,15 @@ void Clang::ConstructJob(Compilation &C, const
JobAction &JA,
Args.addOptInFlag(CmdArgs, options::OPT_frelaxed_template_template_args,
options::OPT_fno_relaxed_template_template_args);
- // -fsized-deallocation is off by default, as it is an ABI-breaking change
for
- // most platforms.
- Args.addOptInFlag(CmdArgs, options::OPT_fsized_deallocation,
- options::OPT_fno_sized_deallocation);
+ // -fsized-deallocation is on by default in C++14 onwards and otherwise off
+ // by default.
+ if (Arg *A = Args.getLastArg(options::OPT_fsized_deallocation,
+ options::OPT_fno_sized_deallocation)) {
+ if (A->getOption().matches(options::OPT_fno_sized_deallocation))
+ CmdArgs.push_back("-fno-sized-deallocation");
----------------
MaskRay wrote:
We should not pass -fno-sized-deallocation to cc1, as -fno-sized-deallocation
is not a cc1 option and will cause a failure.
https://github.com/llvm/llvm-project/pull/83774
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