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Fix a bug where StorageIgnored had an incorrect buffer length

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This commit is contained in:
John Kåre Alsaker 2017-09-13 23:27:40 +02:00
parent a2b3e0889f
commit 0e8e6592f6
1 changed files with 2 additions and 2 deletions
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4
src/librustc_mir/transform/generator.rs
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@ -343,7 +343,7 @@ fn locals_live_across_suspend_points<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
dataflow::do_dataflow(tcx, mir, node_id, &[], &dead_unwinds, analysis,
|bd, p| &bd.mir().local_decls[p]);
let mut ignored = StorageIgnored(IdxSetBuf::new_filled(mir.basic_blocks().len()));
let mut ignored = StorageIgnored(IdxSetBuf::new_filled(mir.local_decls.len()));
ignored.visit_mir(mir);
let mut set = liveness::LocalSet::new_empty(mir.local_decls.len());
@ -365,7 +365,7 @@ fn locals_live_across_suspend_points<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
let mut live_locals = storage_liveness;
// Mark locals without storage statements as always live
// Mark locals without storage statements as always having live storage
live_locals.union(&ignored.0);
// Locals live are live at this point only if they are used across suspension points