crash found while running emberjs tests

[nektro]

What version of Bun is running?

1.1.30-debug+9446fd60c

What platform is your computer?

Darwin 23.5.0 arm64 arm

What steps can reproduce the bug?

git clone https://github.com/ember-cli/ember-cli.git
bun install
bun --bun run test

What is the expected behavior?

no crash

What do you see instead?

most pass
a few fail with #10768
ends with crash

    ✔ prints human-readable file sizes (including gzipped sizes) of css and js files in the output path (142ms)
node(20820,0x94c507000) malloc: at szone_check counter=10000
node(20820,0x949d1b000) malloc: at szone_check counter=20000
    ✔ does not print gzipped file sizes of empty files (157ms)
node(20820,0xa57f07000) malloc: at szone_check counter=30000
node(20820,0xa57813000) malloc: at szone_check counter=40000
    ✔ does not print project test helper file sizes (163ms)
============================================================
Bun Debug v1.1.30 (cf630422) macOS Silicon
macOS v14.5
Args: "node" "--unhandled-rejections=strict" "tests/runner"
Features: Bun.stdin(2) http_server(3) jsc spawn(113) transpiler_cache(24) tsconfig(34) tsconfig_paths(3) workers_spawned(24) 
Builtins: "bun:main" "node:assert" "node:async_hooks" "node:buffer" "node:child_process" "node:constants" "node:crypto" "node:events" "node:fs" "node:http" "node:https" "node:module" "node:net" "node:os" "node:path" "node:process" "node:querystring" "node:readline" "node:stream" "node:string_decoder" "node:timers" "node:tls" "node:tty" "node:url" "node:util" "node:util/types" "node:zlib" "node:worker_threads" "node:punycode" "utf-8-validate" "node:http2" 
Elapsed: 220733ms | User: 69091ms | Sys: 26942ms
RSS: 1.77GB | Peak: 1.77GB | Commit: 2.11GB | Faults: 99

panic: Segmentation fault at address 0x10D4D0000
???:?:?: 0x19e8d7583 in ??? (libsystem_platform.dylib)
???:?:?: 0x8472800104726207 in ??? (???)
???:?:?: 0x1055c73d3 in __ZN3JSC6ParserINS_5LexerIhEEE16popScopeInternalERNS_8ScopeRefEb (???)
???:?:?: 0x1055f8d97 in __ZN3JSC6ParserINS_5LexerIhEEE17parseFunctionInfoINS_13SyntaxCheckerEEEbRT_NS_24FunctionNameRequirementsEbNS_15ConstructorKindENS_12SuperBindingEjRNS_18ParserFunctionInfoIS6_EENS3_22FunctionDefinitionTypeENSt3__18optionalIiEE (???)
???:?:?: 0x1055f6e57 in __ZN3JSC6ParserINS_5LexerIhEEE23parseFunctionExpressionINS_13SyntaxCheckerEEENT_10ExpressionERS6_ (???)
???:?:?: 0x1055f423f in __ZN3JSC6ParserINS_5LexerIhEEE21parseMemberExpressionINS_13SyntaxCheckerEEENT_10ExpressionERS6_ (???)
???:?:?: 0x1056125a3 in __ZN3JSC6ParserINS_5LexerIhEEE20parseUnaryExpressionINS_13SyntaxCheckerEEENT_10ExpressionERS6_ (???)
???:?:?: 0x105611fd7 in __ZN3JSC6ParserINS_5LexerIhEEE21parseBinaryExpressionINS_13SyntaxCheckerEEENT_10ExpressionERS6_ (???)
???:?:?: 0x105611257 in __ZN3JSC6ParserINS_5LexerIhEEE26parseConditionalExpressionINS_13SyntaxCheckerEEENT_10ExpressionERS6_ (???)
???:?:?: 0x10560ff43 in __ZN3JSC6ParserINS_5LexerIhEEE25parseAssignmentExpressionINS_13SyntaxCheckerEEENT_10ExpressionERS6_RNS3_25ExpressionErrorClassifierE (???)

error: script "test" was terminated by signal SIGTRAP (Trace or breakpoint trap)

Additional information

No response

[Jarred-Sumner]

Very high chance this is heap corruption caused by worker_threads

Tracking this in #15964