bug2068355.js - mozsearch

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// |jit-test| skip-if: !wasmStackSwitchingEnabled()

// Test resuming a continuation whose initial function ends in a return_call and

// returns a reference-typed stack result.

let ins = wasmEvalText(`(module

  (type $s (struct (field i32)))

  (type $ft (func (result (ref null $s) i32)))

  (type $ct (cont $ft))

  (type $gt (func (param i64 i64 i64 i64 i64 i64 i64 i64)

                  (result (ref null $s) i32)))

  (func $g (type $gt) ref.null $s i32.const 1)

  (func $f (type $ft)

    i64.const 0 i64.const 0 i64.const 0 i64.const 0 i64.const 0 i64.const 0

    i64.const 0x1234 i64.const 0x1234

    return_call $g)

  (elem declare func $f)

  (func (export "run") (result anyref)

    ref.func $f

    cont.new $ct

    resume $ct

    drop))`);

assertEq(ins.exports.run(), null);