diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/auto-regress/bug464116.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/auto-regress/bug464116.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,31 @@
+// Binary: cache/js-dbg-32-7d06dac3fe83-linux
+// Flags: -j
+//
+function partOfSHA1(str)
+{
+  var rotate_left = function (n,s) { return ( n<<s ) | (n>>>(32-s)); },
+  W = [], H0 = 0x67452301,
+  H1 = 0xEFCDAB89, H2 = 0x98BADCFE,
+  H3 = 0x10325476, H4 = 0xC3D2E1F0,
+  A, B, C, D, E, temp, str_len = str.length,
+  word_array = [];
+  i = 0x080000000;
+  word_array.push( (str_len<<3)&0x0ffffffff );
+  for ( blockstart=0; blockstart<word_array.length; blockstart+=16 ) {
+    A = H0;
+    B = H1;
+    C = H2;
+    D = H3;
+    E = H4;
+    for (i= 0; i<=19; ++i) {
+      temp = (rotate_left(A,5) + ((B&C) | (~B&D)) + E + W[i] + 0x5A827999) & 0x0ffffffff;
+      E = D;
+      D = C;
+      C = rotate_left(B,30);
+      B = A;
+      A = temp;
+    }
+  }
+}
+
+partOfSHA1(1226369254122);