| Issue |
58202
|
| Summary |
Running clang-format once produces different output from running it twice, on some inputs
|
| Labels |
new issue
|
| Assignees |
|
| Reporter |
bzbarsky-apple
|
Consider this minimal Objective-C header:
```
#import <Foundation/Foundation.h>
@interface Foo : NSObject
/**
*/- (void)foo;
@end
```
If I run clang-format on it once, I get this diff against the original file:
```
@@ -3,6 +3,7 @@
@interface Foo : NSObject
/**
- */- (void)foo;
+ */
+-(void)foo;
@end
```
If I now run it again, I get this diff against the output of the first run:
```
@@ -4,6 +4,6 @@
/**
*/
--(void)foo;
+- (void)foo;
@end
```
Ideally, running clang-format would be idempotent, so that CI that runs clang-format on the tree and fails on any observed changes can work correctly.
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