Revert "Revert "add assert to check integer overflow for table size (#…

…1402)" (#1406)"

This reverts commit e0d058c.

table/builder.go

@@ -321,6 +321,9 @@ func (b *Builder) shouldFinishBlock(key []byte, value y.ValueStruct) bool {
 		// So, size of IV is added to estimatedSize.
 		estimatedSize += aes.BlockSize
 	}
+	// Integer overflow check for table size.
+	y.AssertTrue(uint64(b.sz)+uint64(estimatedSize) < math.MaxUint32)
+
 	return estimatedSize > uint32(b.opt.BlockSize)
 }