[PATCH] D93668: [clang] Add -ffuchsia-c++-abi flag to explicitly use the Fuchsia C++ ABI

[Petr Hosek via Phabricator via cfe-commits]

phosek added a comment.

In D93668#2482995 <https://reviews.llvm.org/D93668#2482995>, @rnk wrote:

> I guess a triple of -fuchsia-itanium would be a reasonable way of expressing this.
>
> Why would we want a feature flag for the wasm C++ ABI? Is there a use case for using the webassembly C++ ABI on non-wasm ISAs?

We've been considering the use of WASM as a binary format in Fuchsia at which point we'd need to decide which C++ ABI to use in those cases. There are no concrete plans yet, but I want to make sure that whatever solution we come up with doesn't result in multiple new flags down the line.


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https://reviews.llvm.org/D93668