Add "REQUIRES: asserts" to test as it requires the compiler to hit an assertion failure to pass and was failing in release builds.

Author: dyung

llvm/test/CodeGen/AArch64/store-swift-async-context-clobber-live-reg.ll

@@ -1,5 +1,6 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
 ; RUN: not --crash llc -o - -mtriple=arm64e-apple-macosx -aarch64-min-jump-table-entries=2 %s
+; REQUIRES: asserts
 
 target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"