diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/testBug773108.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/testBug773108.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,11 @@
+// |jit-test| error:InternalError
+
+Function("\
+for each(l in[(let(c)([])\
+for each(l in[]))(let(c)w for(u in[]))(let(u)w for(l in[]))(let(c)w for(u in[]))\
+(let(u)w for each(l in[]))(let(c)w for(u in[]))(let(u)w for(l in[]))(let(c)w for(u in[]))\
+(let(u)w for each(l in[]))(let(c)w for(u in[]))(let(u)w for(l in[]))(let(c)w for(u in[]))\
+(let(l)w for(l in[]))(let(u)w for(l in['']))(let(c)w for(u in[]))(let(u)w for(l in[]))\
+(let(c)w for(l in[]))(let(l)w for(l in[]))(let(c)w for(l in[]))(let(u)w for(l in[]))\
+(let(c)w for(l in[]))(let(u)w for each(l in[x]))(let(w,x)w for(u in[]))]){}\
+")