hotfix for 32bit unsigned 'range' checking; incomplete, unknown why some operations produce range checks

1 files changed, 6 insertions, 0 deletions

diff --git a/lib/system/chcks.nim b/lib/system/chcks.nim
index d108e09f1..303a8945a 100644
--- a/lib/system/chcks.nim
+++ b/lib/system/chcks.nim
@@ -46,6 +46,12 @@ proc chckRange64(i, a, b: int64): int64 {.compilerproc.} =
   else:
     raiseRangeError(i)
 
+proc chckRangeU(i, a, b: uint64): uint64 {.compilerproc.} =
+  if i >= a and i <= b:
+    return i
+  else:
+    sysFatal(RangeError, "value out of range")
+
 proc chckRangeF(x, a, b: float): float =
   if x >= a and x <= b:
     return x