Status: not started.
bootstrap/fixpoint.sh: Stage1 (gm2-built M2) compiles all
compiler+syslib sources → Stage2 binary; Stage2 recompiles →
Stage3; diff -r all generated .ssa must be byte-identical;
full suite green on all three stages.%tN/@LN, no timestamps/paths), hygiene rules from step 1..ssa byte-identical; 3-stage suite green.
→ SELF-HOSTED. Later (deferred): debug line-maps, LSP/tools.bootstrap/fixpoint.sh, stage1/2/3/ (gitignored binaries).