1 files changed, 9 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/bug785175.js b/js/src/jit-test/tests/basic/bug785175.js
new file mode 100644
index 000000000..f6a36fd9b
--- /dev/null
+++ b/js/src/jit-test/tests/basic/bug785175.js
@@ -0,0 +1,9 @@
+var str = ' ';
+// Generate a 4MB string = 2^(20+2)
+for (var i = 0; i < 22; i++) {
+    str = str + str;
+}
+str += 'var a = 1 + 1;';
+
+// don't throw an exception even though the column numbers cannot be maintained
+eval(str);