rustc: use a separate copy of P for HIR than for AST.#61995
Merged
bors merged 3 commits intorust-lang:masterfrom Jul 3, 2019
Merged
rustc: use a separate copy of P for HIR than for AST.#61995bors merged 3 commits intorust-lang:masterfrom
bors merged 3 commits intorust-lang:masterfrom
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Note: this currently includes/is based on top of #61987.
Like #61968, but goes one step further and uses a separate
P<...>for the HIR, with noClone, or the ability to mutate after allocation.There is still
into_inner/into_iter, but they're only exposed forhir::lowering, and they would take more work to untangle.r? @petrochenkov cc @rust-lang/compiler