Hi,

it seems like applying lra-support.diff was accidentally enabled on sh4 again for gcc-snapshot [1]:

Applying patch sh-lra-support.diff
patching file src/gcc/config/sh/constraints.md
Hunk #1 FAILED at 45.
Hunk #2 FAILED at 260.
Hunk #3 FAILED at 281.
Hunk #4 FAILED at 304.
Hunk #5 FAILED at 319.
5 out of 5 hunks FAILED -- rejects in file src/gcc/config/sh/constraints.md
patching file src/gcc/config/sh/predicates.md
Hunk #1 FAILED at 208.
Hunk #2 FAILED at 239.
Hunk #3 succeeded at 490 with fuzz 2 (offset 5 lines).
Hunk #4 FAILED at 816.
3 out of 4 hunks FAILED -- rejects in file src/gcc/config/sh/predicates.md
patching file src/gcc/config/sh/sh-mem.cc
Hunk #1 FAILED at 134.
Hunk #2 FAILED at 178.
2 out of 2 hunks FAILED -- rejects in file src/gcc/config/sh/sh-mem.cc
patching file src/gcc/config/sh/sh-protos.h
Hunk #1 succeeded at 59 (offset -2 lines).
Hunk #2 FAILED at 103.

It should be applied for gcc-16 only as gcc-snapshot (which will be gcc-17) has all patches merged.

Adrian

We believe that the bug you reported is fixed in the latest version of
gcc-16, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 1146439@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Matthias Klose <doko@debian.org> (supplier of updated gcc-16 package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)
Format: 1.8
Date: Wed, 02 Sep 2026 11:07:42 +0200
Source: gcc-16
Architecture: source
Version: 16.2.0-2
Distribution: unstable
Urgency: medium
Maintainer: Debian GCC Maintainers <debian-gcc@lists.debian.org>
Changed-By: Matthias Klose <doko@debian.org>
Closes: 1143971 1146439
Changes:
 gcc-16 (16.2.0-2) unstable; urgency=medium
 .
   * Update to git 20260902 from the gcc-16 branch.
     - Fix PR middle-end/127098, PR tree-optimization/127105,
       PR tree-optimization/127100, PR target/120681 (PPC),
       PR target/120528 (PPC), PR target/99293 (PPC), PR target/117487 (PPC),
       PR ada/125984, PR ipa/127023, PR target/126873 (RISCV),
       PR rtl-optimization/126426, PR target/127004 (AVR), PR middle-end/126939,
       PR target/126787 (x86), PR target/126513 (PPC),
       PR target/124629 (AArch64), PR tree-optimization/126925,
       PR tree-optimization/126650, PR tree-optimization/126926,
       PR tree-optimization/126534, PR target/126454 (RISCV),
       PR target/126334 (RISCV), PR target/126550 (RISCV),
       PR target/126676 (x86), PR target/126320 (x86), PR target/126450 (x86),
       PR target/126529 (x86), PR ada/127026, PR ada/127026, PR ada/126928,
       PR ada/126907, PR c++/127046, PR c++/124888, PR c++/126335,
       PR c++/124794, PR c++/126546, PR c++/124811, PR c++/126918,
       PR c++/126867, PR c++/126752, PR c++/126093, PR c++/126483,
       PR c++/126754, PR c++/126783, PR c++/124794, PR c++/125069,
       PR c++/124806, PR fortran/98573, PR fortran/105594, PR fortran/88632,
       PR fortran/104630, PR fortran/126872, PR fortran/110626,
       PR fortran/104048, PR target/125803 (PPC), PR libstdc++/118665,
       PR libstdc++/123510, PR libstdc++/122981, PR libstdc++/127006,
       PR libstdc++/126731, PR libstdc++/125981, PR libstdc++/126452,
       PR libstdc++/126849.
   * Only enable LRA by default on m68k for snapshot builds. Closes: #1143971.
   * Don't apply the SH LRA patches for snapshot builds. Closes: #1146439.
   * Disable usage stats for the build.
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