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Prepare for lowering or-patterns #67592

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Merged
merged 5 commits into from
Dec 26, 2019
Merged

Prepare for lowering or-patterns #67592

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83a8200
Reduce log level from info to debug
matthewjasper Dec 24, 2019
18df721
Remove `-Znll-dont-emit-read-for-match`
matthewjasper Dec 24, 2019
58a6a20
Split `match_expr` into smaller functions
matthewjasper Dec 24, 2019
f1758a0
Feature gate or patterns in const contexts
matthewjasper Dec 24, 2019
0a14cbe
Use link in doc comment
matthewjasper Dec 24, 2019
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13 changes: 0 additions & 13 deletions src/librustc/ty/context.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1370,19 +1370,6 @@ impl<'tcx> TyCtxt<'tcx> {
self.borrowck_mode().migrate()
}

/// If `true`, make MIR codegen for `match` emit a temp that holds a
/// borrow of the input to the match expression.
pub fn generate_borrow_of_any_match_input(&self) -> bool {
self.emit_read_for_match()
}

/// If `true`, make MIR codegen for `match` emit FakeRead
/// statements (which simulate the maximal effect of executing the
/// patterns in a match arm).
pub fn emit_read_for_match(&self) -> bool {
!self.sess.opts.debugging_opts.nll_dont_emit_read_for_match
}

/// What mode(s) of borrowck should we run? AST? MIR? both?
/// (Also considers the `#![feature(nll)]` setting.)
pub fn borrowck_mode(&self) -> BorrowckMode {
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