panic: "binding must exist" at declarations.rs:1204

[ivankra]

Describe the bug
Crash in Function("if (true) function f() {}"); when run with --strict

To Reproduce

$ ./boa --strict -e 'Function("if (true) function f() {}");'
The application panicked (crashed).
Message:  binding must exist
Location: core/engine/src/bytecompiler/declarations.rs:1204

Build environment (please complete the following information):

• OS: Linux
• Version: 352ec3d
• Target triple: aarch64-unknown-linux-gnu
• Rustc version: rustc 1.94.1 (e408947bf 2026-03-25)