gcc-15 (15.2.0-16) unstable; urgency=medium

gcc-15 (15.2.0-16) unstable; urgency=medium

  * Update to git 20260321 from the gcc-15 branch.
    - Fix PR target/124461 (x86), PR target/123457 (AArch64),
      PR target/124126 (AArch64), PR target/123285 (AArch64),
      PR target/124409 (RISCV), PR tree-optimization/119568,
      PR tree-optimization/121103, PR rtl-optimization/122170,
      PR rtl-optimization/123294, PR tree-optimization/123645,
      PR target/124147 (RISCV), PR target/122448 (RISCV),
      PR target/112400 (VAX), PR tree-optimization/124135,
      PR tree-optimization/124358, PR target/124349 (x86),
      PR target/124367 (x86), PR target/124366 (x86),
      PR target/124341 (x86), PR target/124349 (x86),
      PR target/124315 (x86), PR target/124335 (x86),
      PR target/124294 (x86), PR target/124138 (x86), PR middle-end/124056,
      PR rtl-optimization/116600, PR middle-end/123386, PR c/101312,
      PR tree-optimization/123672, PR middle-end/123978, PR c++/123818,
      PR middle-end/122689, PR tree-optimization/121104,
      PR tree-optimization/123864, PR c++/123790, PR middle-end/123876,
      PR ada/107475, PR c/105555, PR c/123365, PR c++/124309,
      PR c++/124311, PR c++/124431, PR c++/120685, PR c++/123889,
      PR c++/123578, PR c++/123737, PR c++/123667, PR c++/123684,
      PR fortran/124450, PR fortran/121743, PR preprocessor/105412,
      PR preprocessor/123273, PR target/124365 (AArch64),
      PR libstdc++/124015, PR libstdc++/121771, PR rtl-optimization/121649,
      PR middle-end/123573, PR middle-end/123175, PR tree-optimization/124132,
      PR tree-optimization/124130, PR tree-optimization/123596,
      PR tree-optimization/123298, PR tree-optimization/123061,
      PR tree-optimization/123636, PR tree-optimization/122537,
      PR tree-optimization/121726, PR ipa/123416, PR tree-optimization/116747,
      PR ipa/111036, PR c++/124489, PR c++/120039, PR c++/122559,
      PR fortran/122046, PR fortran/124161, PR fortran/120286,
      PR fortran/102596, PR fortran/106946, PR fortran/124482,
      PR libstdc++/124568, PR libstdc++/124124, PR libstdc++/105580.
  * For backports, require binutils (>= 2.40) on riscv64.
  * Fix PR ada/107475 also for armhf and s390x.

[dgit import unpatched gcc-15 15.2.0-16]