hasCustomPragma stops working after typedesc is copied

[etan-status]

Description

import std/macros

template p {.pragma.}

func foo[T0](v: T0): bool =
  type T = T0
  T.hasCustomPragma(p)

type X {.p.} = object
echo $foo(X())

Nim Version

% nim -v
Nim Compiler Version 2.0.5 [MacOSX: amd64]
Compiled at 2024-05-03
Copyright (c) 2006-2023 by Andreas Rumpf

git hash: fcb8461efab2ef7bdd976f82af8c7d1390f502ac
active boot switches: -d:release

% nim -v      
Nim Compiler Version 1.6.20 [MacOSX: amd64]
Compiled at 2024-04-29
Copyright (c) 2006-2023 by Andreas Rumpf

git hash: 19fdbfc173bfccb64cb64e0a963e69f52f71fc73
active boot switches: -d:release

Current Output

false

Expected Output

true

Possible Solution

On T0, hasCustomPragma works fine. It's only broken on type T = T0.

Additional Information

No response