diff --git a/compiler-rt/test/asan/TestCases/Posix/ignore_free_hook.cpp b/compiler-rt/test/asan/TestCases/Posix/ignore_free_hook.cpp
index 3266eef826eda..87be90014d56e 100644
--- a/compiler-rt/test/asan/TestCases/Posix/ignore_free_hook.cpp
+++ b/compiler-rt/test/asan/TestCases/Posix/ignore_free_hook.cpp
@@ -1,15 +1,15 @@
// RUN: %clangxx_asan -O2 %s -o %t -DTEST=basic_hook_works && not %run %t \
-// RUN: |& FileCheck %s -check-prefix=CHECK-BASIC
+// RUN: 2>&1 | FileCheck %s -check-prefix=CHECK-BASIC
// RUN: %clangxx_asan -O2 %s -o %t -DTEST=ignore && %run %t \
-// RUN: |& FileCheck %s -check-prefix=CHECK-IGNORE
+// RUN: 2>&1 | FileCheck %s -check-prefix=CHECK-IGNORE
// RUN: %clangxx_asan -O2 %s -o %t -DTEST=ignore_twice && not %run %t \
-// RUN: |& FileCheck %s -check-prefix=CHECK-IGNORE-2
+// RUN: 2>&1 | FileCheck %s -check-prefix=CHECK-IGNORE-2
// RUN: %clangxx_asan -O2 %s -o %t -DTEST=mismatch && %env_asan_opts=alloc_dealloc_mismatch=1 not %run %t \
-// RUN: |& FileCheck %s -check-prefix=CHECK-MISMATCH
+// RUN: 2>&1 | FileCheck %s -check-prefix=CHECK-MISMATCH
// RUN: %clangxx_asan -O2 %s -o %t -DTEST=ignore_mismatch && %env_asan_opts=alloc_dealloc_mismatch=1 %run %t \
-// RUN: |& FileCheck %s -check-prefix=CHECK-IGNORE-MISMATCH
+// RUN: 2>&1 | FileCheck %s -check-prefix=CHECK-IGNORE-MISMATCH
// RUN: %clangxx_asan -O2 %s -o %t -DTEST=double_delete && not %run %t \
-// RUN: |& FileCheck %s -check-prefix=CHECK-DOUBLE-DELETE
+// RUN: 2>&1 | FileCheck %s -check-prefix=CHECK-DOUBLE-DELETE
#include
#include
diff --git a/compiler-rt/test/hwasan/TestCases/Posix/ignore_free_hook.cpp b/compiler-rt/test/hwasan/TestCases/Posix/ignore_free_hook.cpp
index b6f17d89083b4..8c48654f84c0a 100644
--- a/compiler-rt/test/hwasan/TestCases/Posix/ignore_free_hook.cpp
+++ b/compiler-rt/test/hwasan/TestCases/Posix/ignore_free_hook.cpp
@@ -1,11 +1,11 @@
// RUN: %clangxx_hwasan -O2 %s -o %t -DTEST=basic_hook_works && not %run %t \
-// RUN: |& FileCheck %s -check-prefix=CHECK-BASIC
+// RUN: 2>&1 | FileCheck %s -check-prefix=CHECK-BASIC
// RUN: %clangxx_hwasan -O2 %s -o %t -DTEST=ignore && %run %t \
-// RUN: |& FileCheck %s -check-prefix=CHECK-IGNORE
+// RUN: 2>&1 | FileCheck %s -check-prefix=CHECK-IGNORE
// RUN: %clangxx_hwasan -O2 %s -o %t -DTEST=ignore_twice && not %run %t \
-// RUN: |& FileCheck %s -check-prefix=CHECK-IGNORE-2
+// RUN: 2>&1 | FileCheck %s -check-prefix=CHECK-IGNORE-2
// RUN: %clangxx_hwasan -O2 %s -o %t -DTEST=double_delete && not %run %t \
-// RUN: |& FileCheck %s -check-prefix=CHECK-DOUBLE-DELETE
+// RUN: 2>&1 | FileCheck %s -check-prefix=CHECK-DOUBLE-DELETE
#include
#include