diff --git a/compiler-rt/lib/lsan/lsan_common_fuchsia.cpp b/compiler-rt/lib/lsan/lsan_common_fuchsia.cpp
--- a/compiler-rt/lib/lsan/lsan_common_fuchsia.cpp
+++ b/compiler-rt/lib/lsan/lsan_common_fuchsia.cpp
@@ -26,6 +26,8 @@
 
 namespace __lsan {
 
+class SuspendedThreadsListFuchsia final : public SuspendedThreadsList {};
+
 void InitializePlatformSpecificModules() {}
 
 LoadedModule *GetLinker() { return nullptr; }
@@ -147,7 +149,7 @@
               &params->argument->frontier);
         }
 
-        params->callback({}, params->argument);
+        params->callback(SuspendedThreadsListFuchsia(), params->argument);
       },
       &params);
 
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_stoptheworld_fuchsia.cpp b/compiler-rt/lib/sanitizer_common/sanitizer_stoptheworld_fuchsia.cpp
--- a/compiler-rt/lib/sanitizer_common/sanitizer_stoptheworld_fuchsia.cpp
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_stoptheworld_fuchsia.cpp
@@ -20,6 +20,8 @@
 
 namespace __sanitizer {
 
+class SuspendedThreadsListFuchsia final : public SuspendedThreadsList {};
+
 // The Fuchsia implementation stops the world but doesn't offer a real
 // SuspendedThreadsList argument.  This is enough for ASan's use case,
 // and LSan does not use this API on Fuchsia.
@@ -32,7 +34,7 @@
       nullptr, nullptr, nullptr, nullptr,
       [](zx_status_t, void *data) {
         auto params = reinterpret_cast<Params *>(data);
-        params->callback({}, params->argument);
+        params->callback(SuspendedThreadsListFuchsia(), params->argument);
       },
       &params);
 }