wingo pushed a change to branch wip-optimize-return-values-checks in repository guile.
was 79bff15 Add -Ooptimize-known-return-types at -O2
This change permanently discards the following revisions:
discard 79bff15 Add -Ooptimize-known-return-types at -O2
discard 6dc4024 Add new pass to optimize away return value count checks
discard b9984e4 Allow callk to continue to kargs
discard e489a4e Refactor send and receive shuffles in slot allocation
discard 152ad4b Refactor compile-bytecode
