| Issue |
115011
|
| Summary |
[format] clang-format-18 flip-flops on some macro code
|
| Labels |
clang-format
|
| Assignees |
|
| Reporter |
flichtenheld
|
The following code
```
bool encode_pkcs1() {
#define MAKE_DI(x) {NID_##x, x, sizeof(x)}
FOO foo[];
}
```
causes clang-format-18 to flip-flop on the formatting. With default options the other state looks like this:
```
bool encode_pkcs1() {
#define MAKE_DI(x) \
{ NID_##x, x, sizeof(x) }
FOO foo[];
}
```
It always switches from on to the other code when rerunning clang-format.
I haven't actually found any style or option that makes the problem go away.
This is a regression in clang-format-18, I can't reproduce the problem with -17 or earlier versions.
Interestingly if you change `FOO` to `int` the problem also goes away. Not sure what that means, but the line after the macro definition definitely plays a role here.
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