Update src/dynarmic/src/dynarmic/common/assert.h

NOISY warning on NINJA MSVC build log.
Complement for PR 3567. Now in another place.

D:\dev\eden\src\dynarmic\src\dynarmic\backend\x64\emit_x64_vector_floating_point.cpp(207): warning C4127: conditional expression is constant
D:\dev\eden\src\dynarmic\src\dynarmic\backend\x64\emit_x64_vector_floating_point.cpp(207): note: consider using 'if constexpr' statement instead

Signed-off-by: xbzk <xbzk@eden-emu.dev>

src/dynarmic/src/dynarmic/common/assert.h

@@ -9,7 +9,12 @@
 // TODO: Use source_info?
 [[noreturn]] void assert_terminate_impl(const char* s);
 #ifndef ASSERT
-#   define ASSERT(expr) do if(!(expr)) [[unlikely]] assert_terminate_impl(__FILE__ ": " #expr); while(0)
+#   define ASSERT(expr) \
+        do { \
+            const bool cond = static_cast<bool>(expr); \
+            if(!cond) \
+                [[unlikely]] assert_terminate_impl(__FILE__ ": " #expr); \
+        } while(0)
 #endif
 #ifndef UNREACHABLE
 #   ifdef _MSC_VER