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fix #17572 (#17586)

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Timothee Cour 2021-03-31 02:27:02 -07:00 • committed by GitHub
commit b18307f940
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2 changed files with 18 additions and 1 deletions
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3
compiler/vm.nim
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@ -415,7 +415,8 @@ proc opConv(c: PCtx; dest: var TFullReg, src: TFullReg, desttyp, srctyp: PType):
else: else:
internalError(c.config, "cannot convert to string " & desttyp.typeToString) internalError(c.config, "cannot convert to string " & desttyp.typeToString)
else: else:
case skipTypes(desttyp, abstractVarRange).kind let desttyp = skipTypes(desttyp, abstractVarRange)
case desttyp.kind
of tyInt..tyInt64: of tyInt..tyInt64:
dest.ensureKind(rkInt) dest.ensureKind(rkInt)
case skipTypes(srctyp, abstractRange).kind case skipTypes(srctyp, abstractRange).kind

16
tests/misc/tunsignedconv.nim
View file

@ -79,3 +79,19 @@ except RangeDefect:
success = true success = true
doAssert success, "conversion should fail at runtime" doAssert success, "conversion should fail at runtime"
template main() =
# xxx move all tests under here so it gets tested in CT and RT
block: # bug #17572
type T = distinct uint64
func f(x: uint64): auto =
let a = T(x)
(x, a.uint64)
const x = 1'u64 shl 63 or 7
const b = T(x)
doAssert b.uint64 == 9223372036854775815'u64
doAssert $b.uint64 == "9223372036854775815"
doAssert f(x) == (9223372036854775815'u64, 9223372036854775815'u64)
static: main()
main()