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-rw-r--r--js/src/jit-test/tests/jaeger/bug670885.js16
1 files changed, 16 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/jaeger/bug670885.js b/js/src/jit-test/tests/jaeger/bug670885.js
new file mode 100644
index 0000000000..a1d8bcbe7b
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/bug670885.js
@@ -0,0 +1,16 @@
+// arr is an Int8Array, then changes to Int16Array.
+// This should trigger recompilation of f.
+var arr = new Int8Array(100);
+var arr16 = new Int16Array(100);
+arr16[2] = 12345;
+function f(a) {
+ var x;
+ for(var i=0; i<30; i++) {
+ x = a[2];
+ }
+ return x;
+}
+assertEq(f(arr), 0);
+assertEq(f(arr), 0);
+this.arr = arr16;
+assertEq(f(arr), 12345);