Only run ill.cc test on x86, 32 or 64 bit

llvm-svn: 277679
diff --git a/compiler-rt/test/asan/TestCases/ill.cc b/compiler-rt/test/asan/TestCases/ill.cc
index d4f0bdd..7b0fa88d 100644
--- a/compiler-rt/test/asan/TestCases/ill.cc
+++ b/compiler-rt/test/asan/TestCases/ill.cc
@@ -2,6 +2,7 @@
 //
 // RUN: %clangxx_asan %s -o %t && %env_asan_opts=handle_sigill=0 not --crash %run %t 2>&1 | FileCheck %s --check-prefix=CHECK0
 // RUN: %clangxx_asan %s -o %t && %env_asan_opts=handle_sigill=1 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK1
+// REQUIRES: x86-target-arch
 
 #ifdef _WIN32
 #include <windows.h>