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fixes #24599; misleading error message with large array bounds (#24601)

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fixes #24599

(cherry picked from commit aeeccee50a)
This commit is contained in:
ringabout
2025-01-06 01:10:36 +08:00
committed by narimiran
parent 24b24c17b1
commit ea3a4203fa
1 changed files with 6 additions and 2 deletions
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8
compiler/semtypes.nim
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@@ -409,8 +409,12 @@ proc semArrayIndex(c: PContext, n: PNode): PType =
result = makeRangeWithStaticExpr(c, e.typ.n)
elif e.kind in {nkIntLit..nkUInt64Lit}:
if e.intVal < 0:
localError(c.config, n.info,
"Array length can't be negative, but was " & $e.intVal)
if e.kind in {nkIntLit..nkInt64Lit}:
localError(c.config, n.info,
"Array length can't be negative, but was " & $e.intVal)
else:
localError(c.config, n.info,
"Array length can't exceed its maximum value (9223372036854775807), but was " & $cast[BiggestUInt](e.intVal))
result = makeRangeType(c, 0, e.intVal-1, n.info, e.typ)
elif e.kind == nkSym and (e.typ.kind == tyStatic or e.typ.kind == tyTypeDesc):
if e.typ.kind == tyStatic: