Mark hwasan as unsupported

Author: Icohedron

llvm/test/CodeGen/SPIRV/opencl/reflect-error.ll

@@ -1,5 +1,6 @@
 ; RUN: not llc -verify-machineinstrs -O0 -mtriple=spirv64-unknown-unknown %s -o /dev/null 2>&1 | FileCheck %s
 ; RUN: not llc -verify-machineinstrs -O0 -mtriple=spirv32-unknown-unknown %s -o /dev/null 2>&1 | FileCheck %s
+; UNSUPPORTED: hwasan
 
 ; CHECK: LLVM ERROR: %{{.*}} = G_INTRINSIC intrinsic(@llvm.spv.reflect), %{{.*}}, %{{.*}} is only supported with the GLSL extended instruction set.