backend branch added by Kooda on Sat Apr 10 12:54:48 2021
./chicken-boot data-structures.scm -optimize-level 2 -include-path . -include-path ./ -inline -ignore-repository -feature chicken-bootstrap -no-warnings -specialize -consult-types-file ./types.db -explicit-use -no-trace -output-file data-structures.c \ -emit-import-library chicken.sort \ -emit-import-library chicken.string Error: during expansion of (quasiquote ...) - segmentation violation Call history: <syntax> (alist-ref node (car state) pred) <syntax> (car state) <syntax> (##core#begin (##core#if (or565 (eqv?567 tmp564 (quote grey))) (##core#begin (abort (##sys#make-stru... <syntax> (##core#if (or565 (eqv?567 tmp564 (quote grey))) (##core#begin (abort (##sys#make-structure (quote c... <syntax> (or565 (eqv?567 tmp564 (quote grey))) <syntax> (eqv?567 tmp564 (quote grey)) <syntax> (quote grey) <syntax> (##core#quote grey) <syntax> (##core#begin (abort (##sys#make-structure (quote condition) (quote (exn runtime cycle)) (quasiquote... <syntax> (abort (##sys#make-structure (quote condition) (quote (exn runtime cycle)) (quasiquote ((exn . messa... <syntax> (##sys#make-structure (quote condition) (quote (exn runtime cycle)) (quasiquote ((exn . message) "cy... <syntax> (quote condition) <syntax> (##core#quote condition) <syntax> (quote (exn runtime cycle)) <syntax> (##core#quote (exn runtime cycle)) <syntax> (quasiquote ((exn . message) "cycle detected" (exn . arguments) (unquote (list (cons node (reverse p... <--