Add missing asserts requirement

Author: SamTebbs33

llvm/test/Transforms/LoopVectorize/AArch64/partial-reduce-dot-product-neon.ll

@@ -1,4 +1,6 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals none --filter-out-after "^scalar.ph:" --version 4
+; REQUIRES: asserts
+
 ; RUN: opt -passes=loop-vectorize -enable-epilogue-vectorization=false -mattr=+neon,+dotprod -force-vector-interleave=1 -S < %s | FileCheck %s --check-prefixes=CHECK-INTERLEAVE1
 ; RUN: opt -passes=loop-vectorize -enable-epilogue-vectorization=false -mattr=+neon,+dotprod -S < %s | FileCheck %s --check-prefixes=CHECK-INTERLEAVED
 ; RUN: opt -passes=loop-vectorize -enable-epilogue-vectorization=false -mattr=+neon,+dotprod -force-vector-interleave=1 -vectorizer-maximize-bandwidth -S < %s | FileCheck %s --check-prefixes=CHECK-MAXBW