Closed
Description
[arnetheduck@tempus tmp]$ more testit.nim
proc init(): string =
for a in 0..<10000000:
result.add 'c'
proc f() =
var a {.global.} = init()
var b {.global.} = init()
var c {.global.} = init()
echo a.len
echo b.len
echo c.len
f()
[arnetheduck@tempus tmp]$ nim c --hints:off -r testit.nim
9920232
9920232
10000000
[arnetheduck@tempus tmp]$ nim --version
Nim Compiler Version 1.4.2 [Linux: amd64]
Compiled at 2020-11-30
Copyright (c) 2006-2020 by Andreas Rumpf
git hash: 3fb5157ab1b666a5a5c34efde0f357a82d433d04
active boot switches: -d:releasethis is because globals are registered to the global variable table after init is run, meaning that any memory allocated while initializing globals will be collected by the gc