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reduce openArray-related C undefined behavior (#20795)

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tersec 2022-11-09 17:08:44 +00:00 • committed by GitHub
commit 6894a00409
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3 changed files with 25 additions and 10 deletions
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6
compiler/cgen.nim
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@ -322,6 +322,12 @@ proc lenExpr(p: BProc; a: TLoc): Rope =
else:
result = "($1 ? $1->$2 : 0)" % [rdLoc(a), lenField(p)]
proc dataFieldAccessor(p: BProc, sym: Rope): Rope =
if optSeqDestructors in p.config.globalOptions:
result = "(" & sym & ").p"
else:
result = sym
proc dataField(p: BProc): Rope =
if optSeqDestructors in p.config.globalOptions:
result = rope".p->data"