[PATCH] D45383: Limit types of builtins that can be redeclared.

Erich Keane via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Thu Apr 12 11:22:07 PDT 2018


erichkeane added a comment.

In https://reviews.llvm.org/D45383#1065999, @compnerd wrote:

> I know that the Windows SDK definitely declares the `__va_start` function.  Did you try building something like swift against the Windows SDK with this change?


Are we sure it declares it, and not just #define's it?  If it actually declares it, there is no way it can currently build in certain C modes due to the issue I'd mentioned previously.


https://reviews.llvm.org/D45383





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