[globalisel][combiner] Fix r349167 for release mode bots

This test relies on -debug-only which is unavailable in non-asserts builds.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@349174 91177308-0d34-0410-b5e6-96231b3b80d8

Author: dsandersllvm

test/CodeGen/AArch64/GlobalISel/prelegalizercombiner-extending-loads-cornercases.mir

@@ -3,6 +3,8 @@
 # RUN:   -debug-only=aarch64-prelegalizer-combiner,gi-combiner 2>&1 >/dev/null \
 # RUN:   | FileCheck %s --check-prefix=CHECK-WORKLIST
 
+# REQUIRES: asserts
+
 --- |
   target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
   target triple = "aarch64--"