diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp b/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp
--- a/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp
@@ -197,7 +197,7 @@
 __attribute__((unused)) static int g_use_dlpi_tls_data;
 
 #if SANITIZER_GLIBC && !SANITIZER_GO
-__attribute__((unused)) static uptr g_tls_size;
+__attribute__((unused)) static size_t g_tls_size;
 void InitTlsSize() {
   int major, minor, patch;
   g_use_dlpi_tls_data =