Merge branch 'fix_ub' into 'master'

Fix UB: reference binding to misaligned address in Lua tests

See merge request OpenMW/openmw!1025

apps/openmw_test_suite/lua/test_serialization.cpp

@@ -163,7 +163,8 @@ namespace
             {
                 if (sizeof(TestStruct1) != binaryData.size())
                     throw std::runtime_error("Incorrect binaryData.size() for TestStruct1: " + std::to_string(binaryData.size()));
-                TestStruct1 t = *reinterpret_cast<const TestStruct1*>(binaryData.data());
+                TestStruct1 t;
+                std::memcpy(&t, binaryData.data(), sizeof(t));
                 t.a = Misc::fromLittleEndian(t.a);
                 t.b = Misc::fromLittleEndian(t.b);
                 sol::stack::push<TestStruct1>(lua, t);
@@ -173,7 +174,8 @@ namespace
             {
                 if (sizeof(TestStruct2) != binaryData.size())
                     throw std::runtime_error("Incorrect binaryData.size() for TestStruct2: " + std::to_string(binaryData.size()));
-                TestStruct2 t = *reinterpret_cast<const TestStruct2*>(binaryData.data());
+                TestStruct2 t;
+                std::memcpy(&t, binaryData.data(), sizeof(t));
                 t.a = Misc::fromLittleEndian(t.a);
                 t.b = Misc::fromLittleEndian(t.b);
                 sol::stack::push<TestStruct2>(lua, t);