ICE: moon build

[illusory0x0]

(Your description on the reproducing steps or environment)

Code

• Target: (wasm, wasm-gc, js)

Github commit URL: https://github.com/moonbit-community/jscore/tree/2ea7a99e06a17eaac0f594880ef583354327c0f9

Environment

• OS: (macOS)
• OS distribution and/or version: (macOS 14.6 (23G80))
• CPU Architecture: (arm64)

moon 0.1.20250902 (c84faf1 2025-09-02) ~/.moon/bin/moon
moonc v0.6.26+4cdee97dd-dev (2025-09-03) ~/.moon/bin/moonc
moonrun 0.1.20250902 (c84faf1 2025-09-02) ~/.moon/bin/moonrun
moon-pilot 0.0.1-20c439c (2025-09-04) ~/.moon/bin/moon-pilot

Error output

failed: moonc link-core /Users/cici/.moon/lib/core/target/js/release/bundle/abort/abort.core /Users/cici/.moon/lib/core/target/js/release/bundle/core.core /Users/cici/dev.mbt/jscore/target/js/release/build/jscore/jscore.core /Users/cici/dev.mbt/jscore/target/js/release/build/test/test.core -main illusory0x0/jscore/test -o /Users/cici/dev.mbt/jscore/target/js/release/build/test/test.js -pkg-config-path /Users/cici/dev.mbt/jscore/src/test/moon.pkg.json -pkg-sources illusory0x0/jscore/jscore:/Users/cici/dev.mbt/jscore/src/jscore -pkg-sources illusory0x0/jscore/test:/Users/cici/dev.mbt/jscore/src/test -pkg-sources moonbitlang/core:/Users/cici/.moon/lib/core -target js -exported_functions=entry_test,catch_panic -js-format esm
         --  -- 
       /  //  / __--------_
      /  //  /_/            \
   ---      -                \ __
  / X        /        ____   /   )
  *_________/__/_____/______/ `--
Oops, the compiler has encountered an unexpected situation.
This is a bug in the compiler.
A bug report containing the error description and relevant code would be
greatly appreciated. You can submit the bug report here:
  https://github.com/moonbitlang/moonbit-docs/issues/new?template=ice.md
Error: (Key_not_found
 @illusory0x0/jscore/jscore.Js::to_any|@illusory0x0/jscore/jscore.Array|)
Backtrace:
Raised at Moonc.Basic_hashf.Make.find_exn in file "moonc.ml", line 3879, characters 17-42
Called from Moonc.Monofy_worklist.find_new_binder_exn in file "moonc.ml", line 244155, characters 15-47
Called from Moonc.Monofy.generate_trait_method in file "moonc.ml", line 244827, characters 12-63
Called from Moonc.Monofy.monofy_obj.object#visit_Cexpr_apply in file "moonc.ml", line 244902, characters 12-187
Called from Moonc.Basic_lst.map in file "moonc.ml", line 244, characters 44-48
Called from Moonc.Monofy.monofy_obj.object#visit_Cexpr_apply in file "moonc.ml", line 244917, characters 21-55
Called from Moonc.Monofy.monofy_generate.generate_fn in file "moonc.ml", line 245026, characters 14-53
Called from Moonc.Monofy.monofy_generate.generate_fun_decl.(fun) in file "moonc.ml", line 245060, characters 30-65
Called from Moonc.Basic_vec.iter in file "moonc.ml", line 1740, characters 60-72
Called from Moonc.Basic_lst.iter in file "moonc.ml", line 613, characters 39-43
Called from Moonc.Monofy.monofy_generate in file "moonc.ml", line 245178, characters 2-27
Called from Moonc.Monofy.monofy in file "moonc.ml", line 245196, characters 5-91
Called from Moonc.Driver_util.monofy_core_link in file "moonc.ml", line 280852, characters 5-116
Called from Moonc.Driver_util.link_core in file "moonc.ml", line 280932, characters 6-174
Called from Moonc.run_main in file "moonc.ml", line 286861, characters 18-28
Called from Moonc.Ice_catcher.run_with_protection in file "moonc.ml", line 284343, characters 6-10
Compiler args: moonc link-core /Users/cici/.moon/lib/core/target/js/release/bundle/abort/abort.core /Users/cici/.moon/lib/core/target/js/release/bundle/core.core /Users/cici/dev.mbt/jscore/target/js/release/build/jscore/jscore.core /Users/cici/dev.mbt/jscore/target/js/release/build/test/test.core -main illusory0x0/jscore/test -o /Users/cici/dev.mbt/jscore/target/js/release/build/test/test.js -pkg-config-path /Users/cici/dev.mbt/jscore/src/test/moon.pkg.json -pkg-sources illusory0x0/jscore/jscore:/Users/cici/dev.mbt/jscore/src/jscore -pkg-sources illusory0x0/jscore/test:/Users/cici/dev.mbt/jscore/src/test -pkg-sources moonbitlang/core:/Users/cici/.moon/lib/core -target js -exported_functions=entry_test,catch_panic -js-format esm
moonc version: v0.6.26+4cdee97dd-dev
Failed with 0 warnings, 0 errors.
error: failed to run build for target Js

Caused by:
    failed when building project