Index: lib/sanitizer_common/sanitizer_platform_limits_posix.cc
===================================================================
--- lib/sanitizer_common/sanitizer_platform_limits_posix.cc
+++ lib/sanitizer_common/sanitizer_platform_limits_posix.cc
@@ -325,10 +325,14 @@
   unsigned struct_user_fpxregs_struct_sz = sizeof(struct user_fpxregs_struct);
 #endif // __x86_64 || __mips64 || __powerpc64__ || __aarch64__ || __arm__
 #ifdef __arm__
+#if defined(ARM_VFPREGS_SIZE)
   unsigned struct_user_vfpregs_struct_sz = ARM_VFPREGS_SIZE;
 #else
   unsigned struct_user_vfpregs_struct_sz = 0;
 #endif
+#else
+  unsigned struct_user_vfpregs_struct_sz = 0;
+#endif
 
   int ptrace_peektext = PTRACE_PEEKTEXT;
   int ptrace_peekdata = PTRACE_PEEKDATA;