Rollup of 19 pull requests#55902

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emilyalbini wants to merge 61 commits intorust-lang:masterfrom

emilyalbini:rollup

Commits on Nov 4, 2018

Commits on Nov 5, 2018

Commits on Nov 6, 2018

Commits on Nov 8, 2018

For diagnostics, set spans of drops of temps to be that of the statement's terminating semicolon.
pnkfelix
committed
Narrow span of temp holding the value of a Block expression to the block's tail (if present).
pnkfelix
committed
Regression test for issue #54382
pnkfelix
committed
Refactor code so that block_context observations has nicely named (and documented) methods.
pnkfelix
committed
Revise the temp creation for blocks in `stmt_expr` to setup `BlockTailInfo`.
pnkfelix
committed
Allow unsized types in mem::drop and mem::forget
Stjepan Glavina
committed
Fix return type of forget intrinsic
Stjepan Glavina
committed
Use T: ?Sized in intrinsics::forget
Stjepan Glavina
committed

Commits on Nov 9, 2018

Commits on Nov 11, 2018

Commits on Nov 12, 2018