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fixes #2352

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This commit is contained in:
Araq 2015-03-16 23:16:56 +01:00
commit cc26308044
3 changed files with 8 additions and 2 deletions
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0
build.sh Executable file → Normal file
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2
compiler/sempass2.nim
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@ -460,7 +460,7 @@ proc notNilCheck(tracked: PEffects, n: PNode, paramType: PType) =
if n.kind == nkAddr: if n.kind == nkAddr:
# addr(x[]) can't be proven, but addr(x) can: # addr(x[]) can't be proven, but addr(x) can:
if not containsNode(n, {nkDerefExpr, nkHiddenDeref}): return if not containsNode(n, {nkDerefExpr, nkHiddenDeref}): return
elif n.kind == nkSym and n.sym.kind in routineKinds: elif (n.kind == nkSym and n.sym.kind in routineKinds) or n.kind in procDefs:
# 'p' is not nil obviously: # 'p' is not nil obviously:
return return
case impliesNotNil(tracked.guards, n) case impliesNotNil(tracked.guards, n)

8
tests/notnil/tnotnil4.nim
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@ -11,4 +11,10 @@ proc doit() =
if x[0] != nil: if x[0] != nil:
check(x[0]) check(x[0])
doit() doit()
# bug #2352
proc p(x: proc() {.noconv.} not nil) = discard
p(proc() {.noconv.} = discard)
# Error: cannot prove 'proc () {.noconv.} = discard ' is not nil