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nvro don't touch cdecl types [backport: 1.6] (#19461)

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* nvro don't touch cdecl types; fix #19342 again
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flywind 2022-01-28 16:53:42 +08:00 • committed by GitHub
commit 0c3892c3c7
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7 changed files with 51 additions and 19 deletions
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21
compiler/ccgstmts.nim
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@ -32,13 +32,20 @@ proc registerTraverseProc(p: BProc, v: PSym, traverseProc: Rope) =
"$n\t#nimRegisterGlobalMarker($1);$n$n", [traverseProc])
proc isAssignedImmediately(conf: ConfigRef; n: PNode): bool {.inline.} =
if n.kind == nkEmpty: return false
if isInvalidReturnType(conf, n.typ):
# var v = f()
# is transformed into: var v; f(addr v)
# where 'f' **does not** initialize the result!
return false
result = true
if n.kind == nkEmpty:
result = false
elif n.kind in nkCallKinds and n[0] != nil and n[0].typ != nil and n[0].typ.skipTypes(abstractInst).kind == tyProc:
if isInvalidReturnType(conf, n[0].typ, true):
# var v = f()
# is transformed into: var v; f(addr v)
# where 'f' **does not** initialize the result!
result = false
else:
result = true
elif isInvalidReturnType(conf, n.typ, false):
result = false
else:
result = true
proc inExceptBlockLen(p: BProc): int =
for x in p.nestedTryStmts: