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-rw-r--r--js/src/jit-test/tests/basic/testInnerTreeMutatingUpvars.js17
1 files changed, 17 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/testInnerTreeMutatingUpvars.js b/js/src/jit-test/tests/basic/testInnerTreeMutatingUpvars.js
new file mode 100644
index 0000000000..97502f8364
--- /dev/null
+++ b/js/src/jit-test/tests/basic/testInnerTreeMutatingUpvars.js
@@ -0,0 +1,17 @@
+function f() {
+ for (var a = 0; a < 8; ++a) {
+ (function () {
+ var x;
+ for (var b = 0; b < 8; ++b) {
+ x = 0;
+ (function () {
+ for (var i = 0; i < 1; ++i) {
+ x = 1;
+ }
+ })();
+ x++;
+ }
+ })();
+ }
+}
+f();