https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105712
Bug ID: 105712
Summary: [13 Regression] Rejected valid code since
r13-76-gdcb4bd0789d13dd4
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Keywords: rejects-valid
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: jason at gcc dot gnu.org
Target Milestone: ---
The is reduced from libqt5-qtwebengine package:
$ cat jumbo.ii
struct Lock {};
struct ThreadSafeThreadTraits {
struct {
Lock lock_;
} Lock;
};
$ g++ jumbo.ii -c
jumbo.ii:5:5: error: declaration of ‘ThreadSafeThreadTraits::<unnamed struct>
ThreadSafeThreadTraits::Lock’ changes meaning of ‘Lock’ [-fpermissive]
5 | } Lock;
| ^~~~
jumbo.ii:4:5: note: used here to mean ‘struct Lock’
4 | Lock lock_;
| ^~~~
jumbo.ii:1:8: note: declared here
1 | struct Lock {};
| ^~~~
$ g++-11 jumbo.ii -c
$ clang++ jumbo.ii -c
