Fix dest prop miscompilation around references

2020-09-22 20:19:00 +02:00
parent e0bc267512
commit 4b6a4821b7
2 changed files with 17 additions and 1 deletions
--- a/compiler/rustc_mir/src/transform/dest_prop.rs
+++ b/compiler/rustc_mir/src/transform/dest_prop.rs
@@ -905,7 +905,7 @@ impl<'a, 'tcx> Visitor<'tcx> for FindAssignments<'a, 'tcx> {
            // FIXME: This can be smarter and take `StorageDead` into account (which
            // invalidates borrows).
            if self.ever_borrowed_locals.contains(dest.local)
-                && self.ever_borrowed_locals.contains(src.local)
+                || self.ever_borrowed_locals.contains(src.local)
            {
                return;
            }