JSTests/wasm/regress/llint-callee-saves-with-fast-memory.js

//@ requireOptions("--useWebAssemblyFastMemory=true")

import * as assert from '../assert.js';
import { instantiate } from '../wabt-wrapper.js';

async function test() {
    const instance = await instantiate(`
        (module
    
        (memory 0)
    
        (func $grow
            (memory.grow (i32.const 1))
            (drop)
        )
    
        (func $f (param $bail i32)
            (br_if 0 (local.get $bail))
            (call $grow)
            (i32.store (i32.const 42) (i32.const 0))
        )
    
        (func (export "main")
            (local $i i32)
            (local.set $i (i32.const 100000))
            (loop
                (i32.sub (local.get $i) (i32.const 1))
                (local.tee $i)
                (call $f (i32.const 1))
                (br_if 0)
            )
            (call $f (i32.const 0))
        )
    
        )
    `);

    // This should not throw an OutOfBounds exception
    instance.exports.main();
}

assert.asyncTest(test());