uweigand added a comment. In D53157#1309743 <https://reviews.llvm.org/D53157#1309743>, @cameron.mcinally wrote:
> Digressing a bit, but has anyone given thought to how this implementation > will play out with libraries? When running with traps enabled, libraries must > be compiled for trap-safety. E.g. optimizations on a lib's code could > introduce a NaN or cause a trap that does not exist in the code itself. In my reading of the standard text, there is no special provision for library code. This means that in general, calling any library function while running with nondefault trap settings is undefined behavior, unless the library was itself compiled with FENV_ACCESS ON. There does not even appear to be any requirement for the C standard library functions to have been compiled with FENV_ACCESS ON, as far as I can see ... CHANGES SINCE LAST ACTION https://reviews.llvm.org/D53157/new/ https://reviews.llvm.org/D53157 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
