FTBFS on arm64 due to LTO

sbcl is currently FTBFSing on arm64 due to LTO:

/usr/bin/ld: /tmp/cc1VPXKi.ltrans1.ltrans.o: in function `interrupt_handle_now':
/<<PKGBUILDDIR>>/src/runtime/funcall.c:72: undefined reference to `call_into_lisp'
/usr/bin/ld: /tmp/cc1VPXKi.ltrans1.ltrans.o: in function `interrupt_handle_now_handler':
/<<PKGBUILDDIR>>/src/runtime/funcall.c:72: undefined reference to `call_into_lisp'
/usr/bin/ld: /tmp/cc1VPXKi.ltrans1.ltrans.o: in function `maybe_gc':
/<<PKGBUILDDIR>>/src/runtime/funcall.c:53: undefined reference to `call_into_lisp'
/usr/bin/ld: /<<PKGBUILDDIR>>/src/runtime/funcall.c:46: undefined reference to `call_into_lisp'
/usr/bin/ld: /tmp/cc1VPXKi.ltrans1.ltrans.o: in function `lisp_memory_fault_error':
/<<PKGBUILDDIR>>/src/runtime/funcall.c:62: undefined reference to `call_into_lisp'
/usr/bin/ld: /tmp/cc1VPXKi.ltrans1.ltrans.o:/<<PKGBUILDDIR>>/src/runtime/funcall.c:62: more undefined references to `call_into_lisp' follow
/usr/bin/ld: /tmp/cc1VPXKi.ltrans3.ltrans.o: in function `gc_heap_exhausted_error_or_lose':
/<<PKGBUILDDIR>>/src/runtime/gencgc.c:1447: undefined reference to `do_pending_interrupt'
collect2: error: ld returned 1 exit status
make[2]: *** [GNUmakefile:102: sbcl] Error 1

https://launchpadlibrarian.net/650311569/buildlog_ubuntu-lunar-arm64.sbcl_2%3A2.2.9-1_BUILDING.txt.gz