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sizeof for empty objects/tuples should be 1; fixes #14690 (#14751)

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Andreas Rumpf 2020-06-21 19:58:37 +02:00 • committed by GitHub
commit 3ba0c30758
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2 changed files with 11 additions and 3 deletions
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4
compiler/sizealignoffsetimpl.nim
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@ -330,7 +330,7 @@ proc computeSizeAlign(conf: ConfigRef; typ: PType) =
sym.offset = accum.offset
accum.inc(int(child.size))
typ.paddingAtEnd = int16(accum.finish())
typ.size = accum.offset
typ.size = if accum.offset == 0: 1 else: accum.offset
typ.align = int16(accum.maxAlign)
except IllegalTypeRecursionError:
typ.paddingAtEnd = szIllegalRecursion
@ -388,7 +388,7 @@ proc computeSizeAlign(conf: ConfigRef; typ: PType) =
typ.align = szUnknownSize
typ.paddingAtEnd = szUnknownSize
else:
typ.size = accum.offset
typ.size = if accum.offset == 0: 1 else: accum.offset
typ.align = int16(accum.maxAlign)
typ.paddingAtEnd = paddingAtEnd
except IllegalTypeRecursionError: