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-rw-r--r--src/tools/compiletest/src/runtest.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs
index 08fccb7c1de..48e8c7d2db5 100644
--- a/src/tools/compiletest/src/runtest.rs
+++ b/src/tools/compiletest/src/runtest.rs
@@ -177,6 +177,7 @@ pub fn compute_stamp_hash(config: &Config) -> String {
     let mut hash = DefaultHasher::new();
     config.stage_id.hash(&mut hash);
     config.run.hash(&mut hash);
+    config.edition.hash(&mut hash);
 
     match config.debugger {
         Some(Debugger::Cdb) => {