EXT::BUS-ERROR undefined function on startup (macOS arm64)

[SuChengHao]

Describe the bug
Clasp fails to start with EXT::BUS-ERROR undefined function error.

Expected behavior
Clasp should start a REPL.

Actual behavior
It prints:

Starting clasp-boehmprecise-2.7.0-681-ged53f0a9a-g5065d31d from base image
datum: COMMON-LISP::UNDEFINED-FUNCTION (:NAME EXT::BUS-ERROR)

universalErrorHandler
/opt/homebrew/Cellar/cando/2.7.0-681-ged53f0a9a-g5065d31d/share/clasp/src/core/foundation.cc:328
dbg_hook(...) was called
/opt/homebrew/Cellar/cando/2.7.0-681-ged53f0a9a-g5065d31d/share/clasp/src/core/lisp.cc:1972
core__invoke_internal_debugger --> NIL
The low-level debugger was entered but there is no terminal on fd0 - aboring

Code at issue
N/A - happens on startup

Other steps to reproduce

1. brew install clasp-developers/clasp/cando
2. Run clasp

Context

• It worked in previous versions and starts to fail in the latest version.
• Clasp version: clasp-boehmprecise-2.7.0-681-ged53f0a9a-g5065d31d
• Installed via Homebrew bottle
• macOS Tahoe 26.3.1 arm64
• clasp --version works, but REPL fails