erik.pilkington added a comment. In D58514#1429606 <https://reviews.llvm.org/D58514#1429606>, @rjmccall wrote:
> There is no way in the existing ABI for copying a block to cause other > references to the block to become references to the heap block. We do do > that for `__block` variables, but not for block objects themselves. Do you think thats worth doing? We could add a forwarding pointer to the end of a block literal on the stack (after all the captures) and flip an unused bit to track it, preserving ABI. Seems like now that we're delaying `_Block_copy`ies this might be a bigger issue. Repository: rC Clang CHANGES SINCE LAST ACTION https://reviews.llvm.org/D58514/new/ https://reviews.llvm.org/D58514 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
