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fixes #14616 [backport:1.2] (#15109)

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Andreas Rumpf 2020-07-29 11:11:58 +02:00 • committed by GitHub
commit a3a87cdb29
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4
compiler/semmagic.nim
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@ -564,5 +564,9 @@ proc magicsAfterOverloadResolution(c: PContext, n: PNode,
if not checkIsolate(n[1]): if not checkIsolate(n[1]):
localError(c.config, n.info, "expression cannot be isolated: " & $n[1]) localError(c.config, n.info, "expression cannot be isolated: " & $n[1])
result = n result = n
of mPred:
if n[1].typ.skipTypes(abstractInst).kind in {tyUInt..tyUInt64}:
n[0].sym.magic = mSubU
result = n
else: else:
result = n result = n

10
tests/misc/tunsignedconv.nim
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@ -59,3 +59,13 @@ discard $(x1,)
# bug #13698 # bug #13698
let n: csize = 1 # xxx should that be csize_t or is that essential here? let n: csize = 1 # xxx should that be csize_t or is that essential here?
doAssert $n.int32 == "1" doAssert $n.int32 == "1"
# bug #14616
let limit = 1'u64
let rangeVar = 0'u64 ..< limit
doAssert repr(rangeVar) == """[a = 0,
b = 0]
"""