ART: Remove bogus dcheck

Mea culpa.

Change-Id: I6fd3b678e30354c5ab5ec6da5b3619c26d486563
diff --git a/compiler/dex/quick/gen_invoke.cc b/compiler/dex/quick/gen_invoke.cc
index ea52b39..a0a2ed0 100755
--- a/compiler/dex/quick/gen_invoke.cc
+++ b/compiler/dex/quick/gen_invoke.cc
@@ -141,7 +141,6 @@
 void Mir2Lir::CallRuntimeHelperImmRegLocation(QuickEntrypointEnum trampoline, int arg0,
                                               RegLocation arg1, bool safepoint_pc) {
   RegStorage r_tgt = CallHelperSetup(trampoline);
-  DCHECK(!arg1.fp);
   if (arg1.wide == 0) {
     LoadValueDirectFixed(arg1, TargetReg(kArg1, arg1));
   } else {