--- old/src/cpu/x86/vm/c1_LinearScan_x86.cpp	2013-02-20 17:40:31.127358523 +0100
+++ new/src/cpu/x86/vm/c1_LinearScan_x86.cpp	2013-02-20 17:40:30.959554825 +0100
@@ -675,7 +675,8 @@
   switch (op2->code()) {
     case lir_cmp:
     case lir_cmp_fd2i:
-    case lir_ucmp_fd2i: {
+    case lir_ucmp_fd2i:
+    case lir_assert: {
       assert(left->is_fpu_register(), "invalid LIR");
       assert(right->is_fpu_register(), "invalid LIR");