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fixes #4345

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This commit is contained in:
Andreas Rumpf 2016-07-19 15:40:21 +02:00
commit d455d58af6
2 changed files with 11 additions and 2 deletions
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5
compiler/ccgexprs.nim
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@ -1568,11 +1568,12 @@ proc genSomeCast(p: BProc, e: PNode, d: var TLoc) =
[getTypeDesc(p.module, e.typ), rdCharLoc(a)], a.s) [getTypeDesc(p.module, e.typ), rdCharLoc(a)], a.s)
proc genCast(p: BProc, e: PNode, d: var TLoc) = proc genCast(p: BProc, e: PNode, d: var TLoc) =
const floatTypes = {tyFloat..tyFloat128} const ValueTypes = {tyFloat..tyFloat128, tyTuple, tyObject,
tyArray, tyArrayConstr}
let let
destt = skipTypes(e.typ, abstractRange) destt = skipTypes(e.typ, abstractRange)
srct = skipTypes(e.sons[1].typ, abstractRange) srct = skipTypes(e.sons[1].typ, abstractRange)
if destt.kind in floatTypes or srct.kind in floatTypes: if destt.kind in ValueTypes or srct.kind in ValueTypes:
# 'cast' and some float type involved? --> use a union. # 'cast' and some float type involved? --> use a union.
inc(p.labels) inc(p.labels)
var lbl = p.labels.rope var lbl = p.labels.rope

8
tests/ccgbugs/tuplecast.nim Normal file
View file

@ -0,0 +1,8 @@
# bug #4345
# only needs to compile
proc f(): tuple[a, b: uint8] = (1'u8, 2'u8)
let a, b = f()
let c = cast[int](b)