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fixes #19291; implements wasMoved hook (#21303)

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* fixes #19291; implements `wasMoved` hook

* basics

* checkpoint

* finish `wasMoved`

* add a test for #19291

* add documentation and changelog

* work `attachedWasMoved` with generics

* fixes optimizer

* register `=wasMoved`

* handle wasMoved magcis

* check another round

* some patches

* try `op == nil`

* nicer

* generate `wasMoved` before `destroy`

* try again

* fixes tests

* default wasMoved

* Update tests/destructor/tv2_cast.nim

* Update tests/destructor/tv2_cast.nim

* Update tests/arc/topt_refcursors.nim
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ringabout 2023-03-02 12:29:40 +08:00 • committed by GitHub
commit a137e50150
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12 changed files with 131 additions and 39 deletions
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8
tests/arc/topt_refcursors.nim
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@ -1,7 +1,8 @@
discard """
output: ''''''
cmd: '''nim c --gc:arc --expandArc:traverse --hint:Performance:off $file'''
nimout: '''--expandArc: traverse
nimout: '''
--expandArc: traverse
var
it_cursor
@ -22,12 +23,13 @@ try:
`=copy`(ri_1, jt.ri)
echo [jt.s]
`=sink`(jt, ri_1)
wasMoved(ri_1)
`=wasMoved`(ri_1)
finally:
`=destroy`(ri_1)
finally:
`=destroy`(jt)
-- end of expandArc ------------------------'''
-- end of expandArc ------------------------
'''
"""
type