[Lint/CI] Use LLVM v19 for Linux & Lint

src/xenia/base/math.h

@@ -629,7 +629,7 @@ static constexpr uint32_t PregenerateUint32Div(uint32_t _denom,
     int s;
   } magu{};
   magu.a = 0;
-  nc = -1 - ((uint32_t) - (int32_t)d) % d;
+  nc = -1 - ((uint32_t)-(int32_t)d) % d;
   p = 31;
   q1 = 0x80000000 / nc;
   r1 = 0x80000000 - q1 * nc;

src/xenia/base/threading_posix.cc

@@ -122,7 +122,7 @@ static void signal_handler(int signal, siginfo_t* info, void* context);
 
 void install_signal_handler(SignalType type) {
   if (signal_handler_installed[static_cast<size_t>(type)]) return;
-  struct sigaction action {};
+  struct sigaction action{};
   action.sa_flags = SA_SIGINFO;
   action.sa_sigaction = signal_handler;
   sigemptyset(&action.sa_mask);