gcc-12 (12.3.0-9) unstable; urgency=medium
* Update to git
20230913 from the gcc-12 branch.
- Fix PR target/111340 (x86), PR target/96762 (PPC),
PR target/111306, PR target/111335, PR middle-end/111017,
PR target/110484 (loong64), PR tree-optimization/110914,
PR tree-optimization/111015.
- Address stack protector and stack clash protection weaknesses
on AArch64. CVE-2023-4039.
[dgit import unpatched gcc-12 12.3.0-9]