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-rw-r--r--compiler/rustc_mir_dataflow/src/framework/direction.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_mir_dataflow/src/framework/direction.rs b/compiler/rustc_mir_dataflow/src/framework/direction.rs
index cb647476db8..bba652656dd 100644
--- a/compiler/rustc_mir_dataflow/src/framework/direction.rs
+++ b/compiler/rustc_mir_dataflow/src/framework/direction.rs
@@ -113,7 +113,7 @@ impl Direction for Backward {
                 }
 
                 mir::TerminatorKind::SwitchInt { ref targets, ref discr } => {
-                    if let Some(mut data) = analysis.get_switch_int_data(block, discr) {
+                    if let Some(mut data) = analysis.get_switch_int_data(pred, discr) {
                         let mut tmp = analysis.bottom_value(body);
                         for &value in &body.basic_blocks.switch_sources()[&(block, pred)] {
                             tmp.clone_from(exit_state);