Richard Smith da986511fb Revert "DR2064: decltype(E) is only a dependent type if E is type-dependent, not ...

if E is merely instantiation-dependent."

This change leaves us unable to distinguish between different function
templates that differ in only instantiation-dependent ways, for example

template<typename T> decltype(int(T())) f();
template<typename T> decltype(int(T(0))) f();

We'll need substantially better support for types that are
instantiation-dependent but not dependent before we can go ahead with
this change.

This reverts commit e3065ce238.

2021-01-19 12:48:40 -08:00

1.9 KiB

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