Don't check gcmap while using LLVM compiler.

Change-Id: If7b7113e3dd20b42b34cde1267cfe80e9122845b
diff --git a/src/class_linker.cc b/src/class_linker.cc
index c94347d..b9dbf89 100644
--- a/src/class_linker.cc
+++ b/src/class_linker.cc
@@ -1954,7 +1954,7 @@
   }
 }
 
-#ifndef NDEBUG
+#if !defined(NDEBUG) && !defined(ART_USE_LLVM_COMPILER)
 static void CheckMethodsHaveGcMaps(Class* klass) {
   if (!Runtime::Current()->IsStarted()) {
     return;