gcc-15 (15.2.0-12) unstable; urgency=medium
* Update to git
20251217 from the gcc-15 branch.
- Fix PR target/123022 (RISCV), PR target/122652 (RISCV),
PR target/122656 (RISCV), PR ada/123138, PR ada/123060, PR ada/123096,
PR ada/123088, PR c/123018, PR c++/122752, PR c++/122668, PR c++/114764,
PR fortran/107406, PR fortran/122977, PR libstdc++/122907,
PR libstdc++/122812.
- libstdc++: Update tzdata to 2025c.
* Log the available disk space for the build.
* Build liblsan and libtsan on s390x.
* Update sanitizer symbols files.
* Disable the LTO build on loong64 (requested by Adrian Glaubitz).
* Enable PAC/BTI/GCS on arm64 for libgfortran (Emanuele Rocca).
Closes: #1123084.
[dgit import unpatched gcc-15 15.2.0-12]