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fixes #11530

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This commit is contained in:
Andreas Rumpf 2019-07-08 19:40:42 +02:00
commit 124a584eb2
1 changed files with 6 additions and 1 deletions
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7
lib/core/seqs.nim
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@ -172,7 +172,12 @@ proc setLen[T](s: var seq[T], newlen: Natural) =
if newlen < s.len: if newlen < s.len:
shrink(s, newLen) shrink(s, newLen)
else: else:
grow(s, newLen, default(T)) let oldLen = s.len
if newLen <= oldLen: return
var xu = cast[ptr NimSeqV2[T]](addr s)
if xu.p == nil or xu.p.cap < newLen:
xu.p = cast[typeof(xu.p)](prepareSeqAdd(oldLen, xu.p, newLen - oldLen, sizeof(T)))
xu.len = newLen
when false: when false:
proc resize[T](s: var NimSeqV2[T]) = proc resize[T](s: var NimSeqV2[T]) =