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Diffstat (limited to 'compiler/ccgexprs.nim')
| -rwxr-xr-x | compiler/ccgexprs.nim | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/ccgexprs.nim b/compiler/ccgexprs.nim index 37908f09c..ee2b5159a 100755 --- a/compiler/ccgexprs.nim +++ b/compiler/ccgexprs.nim @@ -1311,6 +1311,8 @@ proc genRangeChck(p: BProc, n: PNode, d: var TLoc, magic: string) = [getTypeDesc(p.module, dest), rdCharLoc(a)])) else: InitLocExpr(p, n.sons[0], a) + if leValue(n.sons[2], n.sons[1]): + InternalError(n.info, "range check will always fail; empty range") putIntoDest(p, d, dest, ropecg(p.module, "(($1)#$5($2, $3, $4))", [ getTypeDesc(p.module, dest), rdCharLoc(a), genLiteral(p, n.sons[1], dest), genLiteral(p, n.sons[2], dest), |