| Issue |
153884
|
| Summary |
[clang] Regression in lambda return type inference
|
| Labels |
c++,
clang:frontend,
rejects-valid,
lambda,
regression:21
|
| Assignees |
|
| Reporter |
ojhunt
|
I've found a regression in the return type inference in lambda expressions that seems fairly severe
```cpp
int v;
bool foo() {
auto init = [](auto) { return true; };
if constexpr (0)
return init(v);
return false;
}
```
This compiles in clang20 and gcc, but not in main.
I believe it to be broken in clang21 as well, but I'm not sure if I was building the correct branch so will need to re-test.
Pre-emptively tagging as a 21 regression as I am reasonably certain that it does repro and want people to see this in case they have any immediate ideas of what might be the cause before I start looking at this myself.
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