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fixes #13240

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Araq 2020-03-10 11:10:52 +01:00 • committed by Andreas Rumpf
commit 60f8fdcdab
2 changed files with 33 additions and 1 deletions
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9
compiler/ccgexprs.nim
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@ -1340,7 +1340,14 @@ proc genObjConstr(p: BProc, e: PNode, d: var TLoc) =
#echo rendertree e, " ", e.isDeepConstExpr
# inheritance in C++ does not allow struct initialization so
# we skip this step here:
if not p.module.compileToCpp:
if not p.module.compileToCpp and optSeqDestructors notin p.config.globalOptions:
# disabled optimization: it is wrong for C++ and now also
# causes trouble for --gc:arc, see bug #13240
#[
var box: seq[Thing]
for i in 0..3:
box.add Thing(s1: "121") # pass by sink can mutate Thing.
]#
if handleConstExpr(p, e, d): return
var t = e.typ.skipTypes(abstractInstOwned)
let isRef = t.kind == tyRef