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-rw-r--r--js/src/jit-test/tests/cacheir/bug1488786-2.js27
1 files changed, 27 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/cacheir/bug1488786-2.js b/js/src/jit-test/tests/cacheir/bug1488786-2.js
new file mode 100644
index 0000000000..7ac42f2ce4
--- /dev/null
+++ b/js/src/jit-test/tests/cacheir/bug1488786-2.js
@@ -0,0 +1,27 @@
+setJitCompilerOption('ion.forceinlineCaches', 1);
+
+function protoChange() {
+ var o = {0: 0, 1: 0, 0x10000: 0, 0x20000: 0};
+
+ var tests = [1, 0, 0x10000, 0x20000];
+
+ function result_map(key, i) {
+ if (i > 5 && key == 0x20000)
+ return undefined;
+ return 0;
+ }
+
+ for (var i = 0; i < 10; i++) {
+ for (var key of tests) {
+ assertEq(o[key], result_map(key, i));
+ }
+
+ if (i == 5) {
+ delete o[0x20000];
+ }
+ }
+}
+
+for (var i = 0; i < 10; i++) {
+ protoChange();
+} \ No newline at end of file