generate destructor in nodestroy proc for explicit destructor call (#24627)

fixes #24626

`createTypeboundOps` in sempass2 is called when generating destructors
for types including for explicit destructor calls, however it blocks
destructors from getting generated in a `nodestroy` proc. This causes
issues when a destructor is explicitly called in a `nodestroy` proc. To
fix this, allow destructors to get generated only for explicit
destructor calls in nodestroy procs.

(cherry picked from commit 793baf34ff)
This commit is contained in:
metagn
2025-01-20 12:12:38 +03:00
committed by narimiran
parent 117b913458
commit cedcb7881d
2 changed files with 24 additions and 3 deletions

View File

@@ -89,10 +89,11 @@ const
errXCannotBeAssignedTo = "'$1' cannot be assigned to"
errLetNeedsInit = "'let' symbol requires an initialization"
proc createTypeBoundOps(tracked: PEffects, typ: PType; info: TLineInfo) =
if typ == nil or sfGeneratedOp in tracked.owner.flags:
proc createTypeBoundOps(tracked: PEffects, typ: PType; info: TLineInfo; explicit = false) =
if typ == nil or (sfGeneratedOp in tracked.owner.flags and not explicit):
# don't create type bound ops for anything in a function with a `nodestroy` pragma
# bug #21987
# unless this is an explicit call, bug #24626
return
when false:
let realType = typ.skipTypes(abstractInst)
@@ -926,7 +927,7 @@ proc trackCall(tracked: PEffects; n: PNode) =
# rebind type bounds operations after createTypeBoundOps call
let t = n[1].typ.skipTypes({tyAlias, tyVar})
if a.sym != getAttachedOp(tracked.graph, t, TTypeAttachedOp(opKind)):
createTypeBoundOps(tracked, t, n.info)
createTypeBoundOps(tracked, t, n.info, explicit = true)
let op = getAttachedOp(tracked.graph, t, TTypeAttachedOp(opKind))
if op != nil:
n[0].sym = op

View File

@@ -0,0 +1,20 @@
# issue #24626
proc arrayWith2[T](y: T, size: static int): array[size, T] {.noinit, nodestroy, raises: [].} =
## Creates a new array filled with `y`.
for i in 0..size-1:
when defined(nimHasDup):
result[i] = `=dup`(y)
else:
wasMoved(result[i])
`=copy`(result[i], y)
proc useArray(x: seq[int]) =
var a = arrayWith2(x, 2)
proc main =
let x = newSeq[int](100)
for i in 0..5:
useArray(x)
main()