| Issue |
52896
|
| Summary |
[Coroutines] Invalided symmetric transfer
|
| Labels |
c++20
|
| Assignees |
ChuanqiXu9
|
| Reporter |
ChuanqiXu9
|
See https://godbolt.org/z/E55h9Pv9f , the symmetric transfer is invalidated so that the example would be stack-overflowing, which should be avoided by the symmetric transfer optimization.
BTW, it is OK in 12: https://godbolt.org/z/8Y8YbM8eK. This is introduced in https://github.com/llvm/llvm-project/commit/822b92aae439c4ba2946980c8a27bd2c8a62d90c#diff-8cf21bda84c593733aa099f89fe7d197fd83203c6bc4f6fbdcd94f8bb4256d23L1138-L1147 , which deletes some optimization passes which symmetric transfer depends on.
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