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discard """
output: '''
10000000
10000000
10000000'''
"""
# bug #17085
#[
refs https://github.com/nim-lang/Nim/issues/17085#issuecomment-786466595
with --gc:boehm, this warning sometimes gets generated:
Warning: Repeated allocation of very large block (appr. size 14880768):
May lead to memory leak and poor performance.
nim CI now runs this test with `testWithoutBoehm` to avoid running it with --gc:boehm.
]#
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` intentional according to
# https://github.com/nim-lang/Nim/pull/17469/files/0c9e94cb6b9ebca9da7cb19a063fba7aa409748e#r600016573
echo b.len
echo c.len
f()
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