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fixes a critical issue

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This commit is contained in:
ringabout
2023-12-09 02:41:05 +00:00
committed by GitHub
parent 5bde480596
commit 147621ec21
1 changed files with 5 additions and 1 deletions
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6
lib/system/strs_v3.nim
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@@ -43,7 +43,10 @@ template incRawLen(s: var NimStringV3, value: int = 1) =
s.rawlen += value shl 1
template setRawLen(s: var NimStringV3, len: int) =
s.rawLen = toRawLen(len)
if isLiteral(s):
s.rawLen = toRawLen(len) or 1
else:
s.rawLen = toRawLen(len)
proc markIntern(s: var NimStringV3): bool =
s.rawlen = s.rawlen or 1
@@ -221,6 +224,7 @@ proc nimPrepareStrMutationImpl(s: var NimStringV3) =
# can't mutate a literal, so we need a fresh copy here:
s.p = allocPayload(s.nimStrLenV3)
s.p.strCap = s.nimStrLenV3
s.rawlen = s.rawlen and (not 1)
copyMem(unsafeAddr s.p[0], unsafeAddr oldP[0], s.nimStrLenV3)
proc nimPrepareStrMutationV2(s: var NimStringV3) {.compilerRtl, inl.} =