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Tasklist

FS#78545 - False positives with GCC 13's -Wdangling-reference

Attached to Project: Arch Linux
Opened by Alan Orth (stickyboy) - Thursday, 18 May 2023, 08:07 GMT
Last edited by freswa (frederik) - Sunday, 23 July 2023, 23:07 GMT
Task Type Bug Report
Category Packages: Core
Status Closed
Assigned To freswa (frederik)
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description: GCC 13 added -Wdangling-reference to -Wall and it is generating too many false positives. It has been moved to -Wextra in GCC 13's git.

See here when compiling OpenJDK 21:

```
/home/aorth/src/git/wakefield/src/java.desktop/share/native/libharfbuzz/hb-open-file.hh:421:29: error: possibly dangling reference to a temporary [-Werror=dangling-reference]
421 | const OpenTypeFontFace &face = (this+map).get_face (idx, &(this+data));
| ^~~~
...
cc1plus: all warnings being treated as errors
```

Additional info:
* gcc 13.1.1-1
* https://gcc.gnu.org/git/gitweb.cgi?p=gcc.git;h=6b927b1297e66e26e62e722bf15c921dcbbd25b9
This task depends upon

Closed by  freswa (frederik)
Sunday, 23 July 2023, 23:07 GMT
Reason for closing:  Fixed
Additional comments about closing:  -2
Comment by Toolybird (Toolybird) - Thursday, 18 May 2023, 22:00 GMT
It's applied on the upstream gcc-13 branch so we should pick this up when @freswa next bumps the PKGBUILD $_commit.

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