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-rw-r--r--js/src/jit-test/tests/basic/shape-checks.js8
1 files changed, 8 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/shape-checks.js b/js/src/jit-test/tests/basic/shape-checks.js
new file mode 100644
index 0000000000..ba193a9cc2
--- /dev/null
+++ b/js/src/jit-test/tests/basic/shape-checks.js
@@ -0,0 +1,8 @@
+enableShapeConsistencyChecks();
+var o = {};
+for (var i = 0; i < 50; i++) {
+ o["x" + i] = i;
+}
+for (var i = 0; i < 50; i += 2) {
+ delete o["x" + i];
+}