Index: compiler-rt/lib/scudo/scudo_utils.cpp
===================================================================
--- compiler-rt/lib/scudo/scudo_utils.cpp
+++ compiler-rt/lib/scudo/scudo_utils.cpp
@@ -16,7 +16,12 @@
 #if defined(__x86_64__) || defined(__i386__)
 # include <cpuid.h>
 #elif defined(__arm__) || defined(__aarch64__)
-# include "sanitizer_common/sanitizer_getauxval.h"
+# if SANITIZER_FUCHSIA
+#  include <zircon/syscalls.h>
+#  include <zircon/features.h>
+# else
+#  include "sanitizer_common/sanitizer_getauxval.h"
+# endif  // SANITIZER_FUCHSIA
 # if SANITIZER_POSIX
 #  include "sanitizer_common/sanitizer_posix.h"
 #  include <fcntl.h>
@@ -80,6 +85,24 @@
 # ifndef HWCAP_CRC32
 #  define HWCAP_CRC32 (1 << 7)  // HWCAP_CRC32 is missing on older platforms.
 # endif
+
+# if SANITIZER_FUCHSIA
+bool hasHardwareCRC32() {
+  u32 HWCap;
+  zx_status_t RetVal = zx_system_get_features(ZX_FEATURE_KIND_CPU, &HWCap);
+  if (RetVal != ZX_OK || (HWCap & ZX_ARM64_FEATURE_ISA_CRC32) == 0) {
+    return false;
+  }
+  return true;
+}
+# else
+bool hasHardwareCRC32() {
+  if (&getauxval && areBionicGlobalsInitialized())
+    return !!(getauxval(AT_HWCAP) & HWCAP_CRC32);
+  return hasHardwareCRC32ARMPosix();
+}
+# endif  // SANITIZER_FUCHSIA
+
 # if SANITIZER_POSIX
 bool hasHardwareCRC32ARMPosix() {
   uptr F = internal_open("/proc/self/auxv", O_RDONLY);
@@ -108,12 +131,6 @@
 INLINE bool areBionicGlobalsInitialized() {
   return !SANITIZER_ANDROID || (&__progname && __progname);
 }
-
-bool hasHardwareCRC32() {
-  if (&getauxval && areBionicGlobalsInitialized())
-    return !!(getauxval(AT_HWCAP) & HWCAP_CRC32);
-  return hasHardwareCRC32ARMPosix();
-}
 #else
 bool hasHardwareCRC32() { return false; }
 #endif  // defined(__x86_64__) || defined(__i386__)