Tests GC within DebugBreak

Running test: test
Script wasm://wasm/d14f671e byte offset 51: Wasm opcode 0x20 (kExprLocalGet)
GC triggered
Debugger.resume
log: Hello World (v8://test/instantiate:11:36)
    at bar (v8://test/instantiate:11:36)
    at $wasm_A (wasm://wasm/d14f671e:1:54)
    at test (test.js:4:20)
    at (anonymous function) (:1:1)
exports.main returned!