https://issues.dlang.org/show_bug.cgi?id=14233
--- Comment #2 from github-bugzi...@puremagic.com --- Commits pushed to master at https://github.com/D-Programming-Language/phobos https://github.com/D-Programming-Language/phobos/commit/fcc1aab7884bb460de8fce47a3a4ba5fd0e8d785 fix Issue 14233 - Can't build Algebraic!(This[]) anymore In pull#2453, VariantN.opIndex has been changed to return `Variant`. It affects to OpID.catAssign case in handler(A), because it's using `alias E = typeof((*zis)[0]);` to determine concatenated element type. https://github.com/D-Programming-Language/phobos/commit/23702b29fee08c45fcde098f6664a8277e4a5314 Merge pull request #3030 from 9rnsr/fix14233 [REG2.067b2] Issue 14233 - Can't build Algebraic!(This[]) anymore --
