Workaround libc++ issues.

profiler/src/EmscriptenShim.hpp

@@ -0,0 +1,29 @@
+#ifndef __EMSCRIPTENSHIM_HPP__
+#define __EMSCRIPTENSHIM_HPP__
+
+#ifdef __EMSCRIPTEN__
+
+namespace std {
+
+template<typename T>
+struct atomic<shared_ptr<T>> {
+    shared_ptr<T> value;
+
+    bool compare_exchange_weak(shared_ptr<T>& expected, const shared_ptr<T>& desired) noexcept {
+        return atomic_compare_exchange_weak_explicit(&value, &expected, &desired, std::memory_order_acq_rel, std::memory_order_acquire);
+    }
+
+    shared_ptr<T> load(memory_order order = std::memory_order_seq_cst) const noexcept {
+        return atomic_load_explicit(&value, order);
+    }
+
+    void store(shared_ptr<T> desired, memory_order order = std::memory_order_seq_cst) noexcept {
+        atomic_store_explicit(&value, desired, order);
+    }
+};
+
+} // namespace std
+
+#endif
+
+#endif

profiler/src/main.cpp

@@ -58,6 +58,7 @@
 
 #include "Backend.hpp"
 #include "ConnectionHistory.hpp"
+#include "EmscriptenShim.hpp"
 #include "Filters.hpp"
 #include "Fonts.hpp"
 #include "HttpRequest.hpp"