[regression] erroneous "-Werror=nsconsumed-mismatch is currently enabled, but was not in the PCH file" when importing module #35163
Description
| Bugzilla Link | 35815 |
| Resolution | FIXED |
| Resolved on | Jan 03, 2018 15:53 |
| Version | 6.0 |
| OS | All |
| Blocks | #35152 |
| CC | @hyp |
| Fixed by commit(s) | 321775 |
Extended Description
The following sample illustrates the problem:
$ cat Inputs/module.map
module mod2 {
header "mod2.h"
}
$ cat Inputs/mod2.h
@interface X2
@end
$ cat repr.m
@interface I
- (void)override;
@end
@implementation I
- (void)override { }
@end
@interface Sub
@end
@implementation Sub
- (void)override { }
@end
@import mod2;
$ clang -c -fmodules -I Inputs -fobjc-arc repr.m
repr.m:1:12: warning: class 'I' defined without specifying a base class [-Wobjc-root-class]
@interface I
^
repr.m:1:13: note: add a super class to fix this problem
@interface I
^
repr.m:13:12: warning: class 'Sub' defined without specifying a base class [-Wobjc-root-class]
@interface Sub
^
repr.m:13:15: note: add a super class to fix this problem
@interface Sub
^
error: -Werror=nsconsumed-mismatch is currently enabled, but was not in the PCH file
2 warnings and 1 error generated.
The error should not be presented. This is a regression after r313717.