[Bug middle-end/113750] New: [14 Regression] ICE in vect building gcc/m2/gm2-libs/NumberIO.mod

["iains at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113750

            Bug ID: 113750
           Summary: [14 Regression] ICE in vect building
                    gcc/m2/gm2-libs/NumberIO.mod
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: iains at gcc dot gnu.org
  Target Milestone: ---
              Host: aarch64-linux
            Target: aarch64-linux

This is on cfarm185 (aarch64-linux) with a compiler configured:
../src/configure --prefix=... --enable-languages=all  

-save-temps is not giving me any intermediate and fdump-tree-gimple gives no
output, will have figure out how to reduce this.

----

/home/iains/gcc-master/bld/./gcc/cc1gm2 -v -iprefix
/home/iains/gcc-master/bld/gcc/../lib/gcc/aarch64-unknown-linux-gnu/14.0.1/
-isystem /home/iains/gcc-master/bld/./gcc/include -isystem
/home/iains/gcc-master/bld/./gcc/include-fixed -B
/home/iains/gcc-master/bld/./gcc/ -save-temps -quiet -dumpdir .libs/ -dumpbase
NumberIO.mod -dumpbase-ext .mod -mlittle-endian -mabi=lp64 -g -g -g -O2 -O2
-Wcase-enum -Wreturn-type -version -fm2-g -fcase -fm2-prefix=m2pim -fPIC
-fdump-tree-gimple -fm2-pathname=m2pim -fm2-pathnameI.
-fm2-pathnameI/home/iains/gcc-master/src/gcc/m2/gm2-libs -fm2-pathname=m2iso
-fm2-pathnameI/home/iains/gcc-master/src/gcc/m2/gm2-libs-iso -fscaffold-dynamic
-flibs=m2cor,m2log,m2pim,m2iso -fm2-pathname=m2pim -fm2-pathnameI.
-fm2-pathnameI/home/iains/gcc-master/src/gcc/m2/gm2-libs -fm2-pathname=m2iso
-fm2-pathnameI/home/iains/gcc-master/src/gcc/m2/gm2-libs-iso
../../../../src/libgm2/libm2pim/../../gcc/m2/gm2-libs/NumberIO.mod -c -o
.libs/NumberIO.s
GNU Modula-2 (GCC) version 14.0.1 20240203 (experimental) [master revision
r14-8771-g4b7d4d8a4af7] (aarch64-unknown-linux-gnu)
        compiled by GNU C version 14.0.1 20240203 (experimental) [master
revision r14-8771-g4b7d4d8a4af7], GMP version 6.1.2, MPFR version 3.1.6-p2, MPC
version 1.1.0, isl version none
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
Compiling: ../../../../src/libgm2/libm2pim/../../gcc/m2/gm2-libs/NumberIO.mod
../../../../src/libgm2/libm2pim/../../gcc/m2/gm2-libs/NumberIO.mod: In function
‘m2pim_NumberIO_HexToStr’:
../../../../src/libgm2/libm2pim/../../gcc/m2/gm2-libs/NumberIO.mod:237:1:
error: label ‘.L873’ in the middle of basic block 3
  237 | BEGIN
      | ^~~~~
during GIMPLE pass: vect
../../../../src/libgm2/libm2pim/../../gcc/m2/gm2-libs/NumberIO.mod:237:1:
internal compiler error: verify_flow_info failed
0x91900b verify_flow_info()
        ../../src/gcc/cfghooks.cc:287
0xf0a15f checking_verify_flow_info()
        ../../src/gcc/cfghooks.h:214
0xf0a15f cleanup_tree_cfg_noloop
        ../../src/gcc/tree-cfgcleanup.cc:1154
0xf0a15f cleanup_tree_cfg(unsigned int)
        ../../src/gcc/tree-cfgcleanup.cc:1205
0xd8737b execute_function_todo
        ../../src/gcc/passes.cc:2057
0xd879ab execute_todo
        ../../src/gcc/passes.cc:2142