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-rw-r--r--js/src/jit-test/tests/basic/bug1894883.js8
1 files changed, 8 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/bug1894883.js b/js/src/jit-test/tests/basic/bug1894883.js
new file mode 100644
index 0000000000..74312c9721
--- /dev/null
+++ b/js/src/jit-test/tests/basic/bug1894883.js
@@ -0,0 +1,8 @@
+function makeObj() { return { x: 1, y: 2 }; }
+
+var o1 = makeObj();
+var o2 = makeObj();
+
+var snapshot = createShapeSnapshot(o1);
+delete o1.x;
+checkShapeSnapshot(snapshot, o2);