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-rw-r--r--js/src/jit-test/tests/ion/bug1140890.js11
1 files changed, 11 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug1140890.js b/js/src/jit-test/tests/ion/bug1140890.js
new file mode 100644
index 000000000..f58452a7b
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug1140890.js
@@ -0,0 +1,11 @@
+function isNegativeZero(x) {
+ return x===0 && (1/x)===-Infinity;
+}
+function f(y) {
+ return -(0 != 1 / y) - -Math.imul(1, !y)
+}
+x = [-0, Infinity]
+for (var k = 0; k < 2; ++k) {
+ assertEq(isNegativeZero(f(x[k])), false);
+}
+