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-rw-r--r--js/src/jit-test/tests/basic/testBug762105.js33
1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/testBug762105.js b/js/src/jit-test/tests/basic/testBug762105.js
new file mode 100644
index 000000000..147a87eac
--- /dev/null
+++ b/js/src/jit-test/tests/basic/testBug762105.js
@@ -0,0 +1,33 @@
+function escapeme() {}
+
+function f1(x) {
+ escapeme(arguments);
+ var y = ++x;
+ return x + y;
+}
+for (var i = 0; i < 100; ++i)
+ assertEq(f1(2), 6);
+
+function f2(x) {
+ escapeme(arguments);
+ var y = --x;
+ return x + y;
+}
+for (var i = 0; i < 100; ++i)
+ assertEq(f2(2), 2);
+
+function f3(x) {
+ escapeme(arguments);
+ var y = x++;
+ return x + y;
+}
+for (var i = 0; i < 100; ++i)
+ assertEq(f3(2), 5);
+
+function f4(x) {
+ escapeme(arguments);
+ var y = x--;
+ return x + y;
+}
+for (var i = 0; i < 100; ++i)
+ assertEq(f4(2), 3);