mirror of
https://github.com/nim-lang/Nim.git
synced 2025-12-31 02:12:11 +00:00
196e93f9e1
* [add testcase] NRVO does not occur with init procedures
close #19094
* Update tests/ccgbugs2/tcodegen.nim
(cherry picked from commit 33cd883e27)
29 lines
582 B
Nim
29 lines
582 B
Nim
discard """
|
|
targets: "c cpp"
|
|
"""
|
|
|
|
# bug #19094
|
|
type
|
|
X = object
|
|
filler: array[2048, int]
|
|
innerAddress: uint
|
|
|
|
proc initX(): X =
|
|
result.innerAddress = cast[uint](result.addr)
|
|
|
|
proc initXInPlace(x: var X) =
|
|
x.innerAddress = cast[uint](x.addr)
|
|
|
|
block: # NRVO1
|
|
var x = initX()
|
|
let innerAddress = x.innerAddress
|
|
let outerAddress = cast[uint](x.addr)
|
|
doAssert(innerAddress == outerAddress) # [OK]
|
|
|
|
block: # NRVO2
|
|
var x: X
|
|
initXInPlace(x)
|
|
let innerAddress = x.innerAddress
|
|
let outerAddress = cast[uint](x.addr)
|
|
doAssert(innerAddress == outerAddress) # [OK]
|