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introduce internal Int128 type, use it to fix case stmt checks (#11652)

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* initial version of int128
* use int128 in case stmt
* fixes #11552
This commit is contained in:
Arne Döring 2019-07-05 22:45:32 +02:00 • committed by Andreas Rumpf
commit 7d5d9f7703
6 changed files with 550 additions and 11 deletions
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compiler/semstmts.nim
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@ -877,7 +877,7 @@ proc semCase(c: PContext, n: PNode; flags: TExprFlags): PNode =
pushCaseContext(c, n)
n.sons[0] = semExprWithType(c, n.sons[0])
var chckCovered = false
var covered: BiggestInt = 0
var covered: Int128 = toInt128(0)
var typ = commonTypeBegin
var hasElse = false
let caseTyp = skipTypes(n.sons[0].typ, abstractVar-{tyTypeDesc})