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-rw-r--r--js/src/jit-test/tests/jaeger/bug719918.js17
1 files changed, 17 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/jaeger/bug719918.js b/js/src/jit-test/tests/jaeger/bug719918.js
new file mode 100644
index 0000000000..388189269e
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/bug719918.js
@@ -0,0 +1,17 @@
+function test(m) {
+ do {
+ if (m = arr[0]) break;
+ m = 0;
+ }
+ while (0);
+ arr[1] = m;
+}
+
+arr = new Float64Array(2);
+
+// run function a lot to trigger methodjit compile
+for(var i=0; i<200; i++)
+ test(0);
+
+// should return 0, not NaN
+assertEq(arr[1], 0)