> On 2016-Jan-11, at 15:40, Rafael Espíndola <rafael.espind...@gmail.com> wrote: > > On 8 January 2016 at 19:50, Duncan P. N. Exon Smith via cfe-commits > <cfe-commits@lists.llvm.org> wrote: >> [re-send to lists.llvm.org] >> [necromancy] >> >> This is causing some strangeness for users of libc++ headers that >> ship dylibs and build with -fno-rtti and -fvisibility=hidden. >> >> Strangely, -fno-rtti does *not* imply -fno-exceptions; the type info >> needed for exceptions is generated on-the-fly. This means that each >> translation unit generates a linkonce_odr copy of the std::exception >> type info -- weird, but kind of reasonable? > > Will gcc produce a copy too? It seems really strange to produce > different linkages for -frtti and -fno-rtti -fexcptions.
I'm not sure about GCC. Note that there is no linkage for -frtti, since the type info is deferred to the TU with the vtable. _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
