Make this test disable fast isel as it's not needed.

llvm-svn: 130165
diff --git a/llvm/test/CodeGen/ARM/vst3.ll b/llvm/test/CodeGen/ARM/vst3.ll
index d262303..e3372a0 100644
--- a/llvm/test/CodeGen/ARM/vst3.ll
+++ b/llvm/test/CodeGen/ARM/vst3.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=arm -mattr=+neon -O0 | FileCheck %s
+; RUN: llc < %s -march=arm -mattr=+neon -disable-arm-fast-isel -O0 | FileCheck %s
 
 define void @vst3i8(i8* %A, <8 x i8>* %B) nounwind {
 ;CHECK: vst3i8: