Internal compiler error

[Alice Osako]

    Sorry to be the bearer of bad
      news, but I've gotten another ICE, this time when compiling the
      Console module in M2PP:
      
      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    // Target:
      x86_64-pc-linux-gnu
      // Configured with:
      /home/schol-r-lea/Deployments/gm2/gcc/configure
      --host=x86_64-pc-linux-gnu --target=x86_64-pc-linux-gnu
      --prefix=/home/schol-r-lea/opt --bindir=/home/schol-r-lea/opt/bin
      --libdir=/home/schol-r-lea/opt/lib
      --libexecdir=/home/schol-r-lea/opt/lib --enable-threads=posix
      --enable-clocale=gnu --disable-multilib --disable-bootstrap
      --enable-checking --enable-languages=m2 : (reconfigured)
      /home/schol-r-lea/Deployments/gm2/gcc/configure
      --host=x86_64-pc-linux-gnu --target=x86_64-pc-linux-gnu
      --prefix=/home/schol-r-lea/opt --bindir=/home/schol-r-lea/opt/bin
      --libdir=/home/schol-r-lea/opt/lib
      --libexecdir=/home/schol-r-lea/opt/lib --enable-threads=posix
      --enable-clocale=gnu --disable-multilib --disable-bootstrap
      --enable-checking --enable-languages=m2
      // Thread model: posix
      // Supported LTO compression algorithms: zlib zstd
      // gcc version 14.0.1 20240330 (experimental) (GCC) 
      // 
      // -quiet: internal compiler error: symbol out of bounds
      // 0x22aa767 internal_error(char const*, ...)
      //     ???:0
      // 0x9681d2 m2linemap_internal_error
      //     ???:0
      // 0xa37b8b M2Emit_InternalError
      //     ???:0
      // 0x993d5e M2Error_InternalError
      //     ???:0
      // 0x9f7179 SymbolTable_IsSubrange
      //     ???:0
      // 0x9896e4 M2Base_IsOrdinalType
      //     ???:0
      // 0x9e885e PCSymBuild_PushConstFunctionType
      //     ???:0
      // 0xa241c3 PCBuild_CompilationUnit
      //     ???:0
      // 0x99115e M2Comp_compile
      //     ???:0
      // Please submit a full bug report, with preprocessed source.
      // Please include the complete backtrace with any bug report.
      // See <https://gcc.gnu.org/bugs/> for instructions.
      
      // /home/schol-r-lea/opt/lib/gcc/x86_64-pc-linux-gnu/14.0.1/cc1gm2
      -quiet -dumpdir obj/ -dumpbase Console.mod -dumpbase-ext .mod
      -mtune=generic -march=x86-64 -g -fiso -freport-bug
      -fdebug-function-line-numbers -fm2-pathname=- -fm2-pathnameIsrc/
      -fm2-pathnameI. -fscaffold-dynamic -flibs=m2iso,m2cor,m2pim,m2log
      -fm2-pathname=- -fm2-pathnameIsrc/ -fm2-pathnameI.
      src/imp/Console.mod -c -o - -frandom-seed=0 -fdump-noaddr
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      
      The compiler invocation used is
      
    gm2 -fiso -freport-bug
      -fdebug-function-line-numbers -Isrc/ -c src/imp/Console.mod -o
      obj/Console.o
      
      It isn't clear where the error is occurring.