Suppress DTLS leak happening in some glibc versions.

[alekseyshl]

Summary

Refer to https://sourceware.org/bugzilla/show_bug.cgi?id=12650 for the context.

lib/lsan/lsan_common.cc

 ALIGNED(64) static char suppression_placeholder[sizeof(SuppressionContext)];
 static SuppressionContext *suppression_ctx = nullptr;
 static const char kSuppressionLeak[] = "leak";
 static const char *kSuppressionTypes[] = { kSuppressionLeak };
 static const char kStdSuppressions[] =
 #if SANITIZER_SUPPRESS_LEAK_ON_PTHREAD_EXIT
   // The actual string allocation happens here (for more details refer to the
   // SANITIZER_SUPPRESS_LEAK_ON_PTHREAD_EXIT definition).
-  "leak:*_dl_map_object_deps*";
-#else
-  "";
+  "leak:*_dl_map_object_deps*\n"
 #endif  // SANITIZER_SUPPRESS_LEAK_ON_PTHREAD_EXIT
+  // TLS leak in some glibc versions, described in
+  // https://sourceware.org/bugzilla/show_bug.cgi?id=12650.
+  "leak:*tls_get_addr_tail*\n";
 
 void InitializeSuppressions() {
   CHECK_EQ(nullptr, suppression_ctx);
   suppression_ctx = new (suppression_placeholder) // NOLINT
       SuppressionContext(kSuppressionTypes, ARRAY_SIZE(kSuppressionTypes));
   suppression_ctx->ParseFromFile(flags()->suppressions);
   if (&__lsan_default_suppressions)
     suppression_ctx->Parse(__lsan_default_suppressions());