Fix ProcessUtilTest.MacTerminateOnHeapCorruption to pass under ASan on Mac.

base/process_util_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #define _CRT_SECURE_NO_WARNINGS
 
 #include <limits>
 
 #include "base/command_line.h"
 #include "base/eintr_wrapper.h"
@@ skipping 437 matching lines @@
 #endif  // defined(OS_WIN)
 
 #if defined(OS_MACOSX)
 
 TEST_F(ProcessUtilTest, MacTerminateOnHeapCorruption) {
   // Note that base::EnableTerminationOnHeapCorruption() is called as part of
   // test suite setup and does not need to be done again, else mach_override
   // will fail.
 
   char buf[3];
+#ifndef ADDRESS_SANITIZER
   ASSERT_DEATH(free(buf), "being freed.*"
       "\\*\\*\\* set a breakpoint in malloc_error_break to debug.*"
       "Terminating process due to a potential for future heap corruption");
+#else
+  // AddressSanitizer replaces malloc() and prints a different error message on
+  // heap corruption.
+  ASSERT_DEATH(free(buf), "attempting free on address which "
+      "was not malloc()-ed: .*");
+#endif
 }
 
 #endif  // defined(OS_MACOSX)
 
 #if defined(OS_POSIX)
 
 namespace {
 
 // Returns the maximum number of files that a process can have open.
 // Returns 0 on error.
@@ skipping 679 matching lines @@
       SetUpInDeathAssert();
       while ((value_ = base::AllocatePsychoticallyBigObjCObject())) {}
     }, "");
 }
 
 #endif  // !ARCH_CPU_64_BITS
 #endif  // OS_MACOSX
 
 #endif  // !defined(OS_ANDROID) && !defined(OS_OPENBSD) &&
         // !defined(OS_WIN) && !defined(ADDRESS_SANITIZER)