This is related to #6727, but is generally a necessary fix even without that issue. I'm not adding a specific test of #6727 because it should also be covered by the tests in #6726. Assisted-by: Google Antigravity with Gemini 3 Flash
ExprCategory
import Cpp;
Cpp
Destroy
CustomWitness
import Cpp inline "some code";
CppCompat.ULong32
CppCompat.LongLong64
CppCompat.ULongLong64
intN_t
uintN_t
none.carbon
T*
Cpp.void*