| Issue |
152216
|
| Summary |
Implement DR277 to reject non-object declarations in for loops pre-C23
|
| Labels |
new issue
|
| Assignees |
|
| Reporter |
Halalaluyafail3
|
Clang incorrectly allows the following for loop:
```c
for (enum fred { jim, sheila = 10 } i = jim; i < sheila; i++);
```
This is invalid and is mentioned specifically in [DR277](https://www.open-std.org/jtc1/sc22/wg14/issues/c99/issue0277.html).
Also, I think it is worth specifically mentioning object declarations in structures with no tag here e.g.:
```c
for(struct{int x;}x;0;);
```
GCC accepts this and I think it is fine, since members are objects.
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