Rollup of 10 pull requests#79189

Closed

Dylan-DPC-zz wants to merge 30 commits intorust-lang:masterfrom

Dylan-DPC-zz:rollup-759t48b

Commits on Nov 11, 2020

Add a sane error for rust-call functions not taking tuples during type checking, and associated UI tests
CraftSpider
committed
Missing feature-gate-abi file
CraftSpider
committed

Commits on Nov 12, 2020

Minor stylistic / review changes
CraftSpider
committed

Commits on Nov 15, 2020

Add column number support to Backtrace
est31
committed

Commits on Nov 16, 2020

Don't special case constant operands when lowering intrinsics
tmiasko
committed

Commits on Nov 17, 2020

Commits on Nov 19, 2020