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-rw-r--r--src/tools/compiletest/src/runtest.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs
index 4cb6f6b83bd..c69956030c0 100644
--- a/src/tools/compiletest/src/runtest.rs
+++ b/src/tools/compiletest/src/runtest.rs
@@ -1810,7 +1810,7 @@ impl<'test> TestCx<'test> {
 
         match self.config.compare_mode {
             Some(CompareMode::Nll) => {
-                rustc.args(&["-Zborrowck=mir", "-Ztwo-phase-borrows"]);
+                rustc.args(&["-Zborrowck=migrate", "-Ztwo-phase-borrows"]);
             }
             Some(CompareMode::Polonius) => {
                 rustc.args(&["-Zpolonius", "-Zborrowck=mir", "-Ztwo-phase-borrows"]);