[hwasan] Remove unused -check-prefix in tests.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@321119 91177308-0d34-0410-b5e6-96231b3b80d8

Author: eugenis

test/hwasan/TestCases/halt-on-error.cc

@@ -1,4 +1,4 @@
-// RUN: %clangxx_hwasan -O0 %s -o %t && not %env_hwasan_opts=halt_on_error=0 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
+// RUN: %clangxx_hwasan -O0 %s -o %t && not %env_hwasan_opts=halt_on_error=0 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK
 // REQUIRES: stable-runtime
 
 #include <stdlib.h>

test/hwasan/TestCases/use-after-free.cc

@@ -1,7 +1,7 @@
-// RUN: %clangxx_hwasan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
-// RUN: %clangxx_hwasan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
-// RUN: %clangxx_hwasan -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
-// RUN: %clangxx_hwasan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
+// RUN: %clangxx_hwasan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK
+// RUN: %clangxx_hwasan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK
+// RUN: %clangxx_hwasan -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK
+// RUN: %clangxx_hwasan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK
 // REQUIRES: stable-runtime
 
 #include <stdlib.h>