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preserve call integrity for spawn lowering

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ringabout
2026-08-12 18:10:16 +08:00
parent 36425e91fd
commit 897435f0d0
1 changed files with 4 additions and 1 deletions
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5
compiler/injectdestructors.nim
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@@ -956,7 +956,10 @@ proc p(n: PNode; c: var Con; s: var Scope; mode: ProcessMode; tmpFlags = {sfSing
if canRaise(n[0]): s.needsTry = true
# A raising call needs owned storage even when its value is consumed: the
# callee can partially initialize the result before control unwinds.
if mode == normal or canRaise(n[0]):
# Keep the call directly below `spawn` intact. Spawn lowering requires a
# call node and moves it into a generated proc that gets destructor
# injection of its own.
if mode == normal or (canRaise(n[0]) and inSpawn == 0):
if result.typ != nil and result.typ.kind notin {tyOpenArray, tyVarargs}:
# Returns of openarray types shouldn't be destroyed
# bug #19435; # bug #23247