extended stanza failure

gistfile1.txt

PS C:\Users\callendorph\.jitx\1.1.2-rc.3> .\assertx.exe compile test.stanza -o asdf -verbose
Create temporary file "temp19858951.s".
Reading from input file "test.stanza".
Expanding macros in input file "test.stanza".
check-expr = ($do less? a b)
msg =
Found Args: (a b)
Input file "test.stanza" contains packages mypkg.
Input packages: mypkg
Reading pre-compiled package from "C:\\Users\\callendorph\\.jitx\\1.1.2-rc.3\\stanza\\pkgs\\core.pkg".
Reading pre-compiled package from "C:\\Users\\callendorph\\.jitx\\1.1.2-rc.3\\stanza\\pkgs\\core$stack-trace.pkg".
Reading pre-compiled package from "C:\\Users\\callendorph\\.jitx\\1.1.2-rc.3\\stanza\\pkgs\\clib.pkg".
Reading pre-compiled package from "C:\\Users\\callendorph\\.jitx\\1.1.2-rc.3\\stanza\\pkgs\\collections.pkg".
Reading pre-compiled package from "C:\\Users\\callendorph\\.jitx\\1.1.2-rc.3\\stanza\\pkgs\\core$parsed-path.pkg".
Computed package initialization order: core, collections, core/parsed-path, clib, core/stack-trace, mypkg
FATAL ERROR: Instruction    long: [rsp + -72] = F6 does not satisfy restrictions.
  in core/print-stack-trace
    at core/core.stanza:330.14
  in core/print-stack-trace
    at core/core.stanza:336.2
  in core/fatal
    at core/core.stanza:383.2
  in stz/asm-emitter/check-restriction
    at compiler/asm-emitter.stanza:19.16
  in stz/asm-emitter/check-restriction
    at compiler/asm-emitter.stanza:245.32
  in stz/asm-emitter/emit-asm
    at compiler/asm-emitter.stanza:761.4
  in stz/compiler-main/compile
    at compiler/compiler-main.stanza:325.8
  in stz/codegen/compile-entry-function
    at compiler/codegen.stanza:231.19
  in core/do
    at core/core.stanza:8164.12
  in core/with-finally
    at core/core.stanza:5791.15
  in core/do
    at core/core.stanza:8162.23
  in core/do
    at core/core.stanza:8161.20
  in stz/codegen/compile-entry-function
    at compiler/codegen.stanza:317.53
  in stz/codegen/compile-runtime-stubs
    at compiler/codegen.stanza:224.2
  in stz/compiler-main/compile
    at compiler/compiler-main.stanza:319.4
  in core/with-finally
    at core/core.stanza:5791.15
  in stz/compiler-main/compile
    at compiler/compiler-main.stanza:264.9
  in stz/compiler-main/compile
    at compiler/compiler-main.stanza:195.10
  in stz/compiler-main/compile
    at compiler/compiler-main.stanza:224.6
  in stz/compiler-main/compile
    at compiler/compiler-main.stanza:194.22
  in stz/compiler/compile
    at compiler/compiler.stanza:181.24
  in stz/main/compile-command
    at compiler/main.stanza:213.6
  in stz/main/intercept-no-match-exceptions
    at compiler/main.stanza:936.6
  in core/with-exception-handler
    at core/core.stanza:5774.19
  in core/dynamic-wind
    at core/core.stanza:3440.15
  in core/Coroutine
    at core/core.stanza:3493.6
  in core/setup-coroutine
    at core/core.stanza:3568.20
  in core/Coroutine
    at core/core.stanza:3486.37
  in core/with-exception-handler
    at core/core.stanza:5755.16
  in stz/main/intercept-no-match-exceptions
    at compiler/main.stanza:936.6
  in arg-parser/execute
    at core/arg-parser.stanza:486.2
  in core/with-exception-handler
    at core/core.stanza:5774.19
  in core/dynamic-wind
    at core/core.stanza:3440.15
  in core/Coroutine
    at core/core.stanza:3493.6
  in core/setup-coroutine
    at core/core.stanza:3568.20
  in core/Coroutine
    at core/core.stanza:3486.37
  in core/with-exception-handler
    at core/core.stanza:5755.16
  in arg-parser/simple-command-line-cli
    at core/arg-parser.stanza:510.8
  in arg-parser/simple-command-line-cli
    at core/arg-parser.stanza:496.2
  in stz/main/stanza-main
    at compiler/main.stanza:967.2
  in stz/main/stanza-main
    at compiler/main.stanza:970.2
  in stz/driver
    at compiler/driver.stanza:12.0