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Merge pull request #1279 from Varriount/fix-1216

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Fix issue #1216
This commit is contained in:
Simon Hafner 2014-06-18 18:47:45 -05:00
commit be534279da
2 changed files with 15 additions and 1 deletions
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2
compiler/guards.nim
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@ -625,7 +625,7 @@ proc factImplies(fact, prop: PNode): TImplication =
# == not a or not b == not (a and b) # == not a or not b == not (a and b)
let arg = fact.sons[1] let arg = fact.sons[1]
case arg.getMagic case arg.getMagic
of mIsNil: of mIsNil, mEqRef:
return ~factImplies(arg, prop) return ~factImplies(arg, prop)
of mAnd: of mAnd:
# not (a and b) means not a or not b: # not (a and b) means not a or not b:

14
tests/notnil/tnotnil4.nim Normal file
View file

@ -0,0 +1,14 @@
discard ""
type
TObj = ref object
proc check(a: TObj not nil) =
echo repr(a)
proc doit() =
var x : array[0..1, TObj]
if x[0] != nil:
check(x[0])
doit()