Fix macOS aggregate test build (#536)

* tests: add Darwin memory test support

* tests: fix x86_64 aggregate test build

* tests: verify macOS memory and shader tests

* tests: validate macOS death-test setup before fork

---------

Co-authored-by: nmzik <Nmzik@mail.ru>

tests/ShaderRecompilerComputeTests.cpp

@@ -9743,7 +9743,7 @@ public:
       std::memset(mapped, 0, allocation_size);
       for (uint32_t face = 0; face < layers; face++) {
         const auto depth = depth_at(face, false);
-        for (const auto address : {base, ordinary_address}) {
+        for (const auto address : {static_cast<uint64_t>(base), ordinary_address}) {
           std::memcpy(reinterpret_cast<void *>(address + face * 0x100),
                       &depth, sizeof(depth));
         }