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-rw-r--r--js/src/jit-test/tests/jaeger/bug646938.js21
1 files changed, 21 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/jaeger/bug646938.js b/js/src/jit-test/tests/jaeger/bug646938.js
new file mode 100644
index 000000000..0284bdce3
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/bug646938.js
@@ -0,0 +1,21 @@
+function f() {
+ var x = -[NaN][0];
+ assertEq(x === x, false);
+ assertEq(x !== x, true);
+ assertEq(x == x, false);
+ assertEq(x != x, true);
+
+ var y = -("x" / {});
+ var z = y;
+ assertEq(y === z, false);
+ assertEq(y !== z, true);
+ assertEq(y == z, false);
+ assertEq(y != z, true);
+}
+f();
+
+function g(x, y) {
+ var z = x / y;
+ assertEq(z === z, false);
+}
+g(0, 0);