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// Tests if instance registers were restored properly when call_ref is used
// with tail calls.
var t = wasmEvalText(`(module
(type $t1 (func))
(func $f0 (param funcref i32 i32 i32 i32 i32 i32 i32 i32 i32)
local.get 0
ref.cast (ref $t1)
return_call_ref $t1
)
(func $f1 (param i32))
(elem declare func $f)
(func $f (param funcref)
(local i32 i32 i32 i32)
local.get 0
i32.const 1
i32.const 1
i32.const 1
i32.const 1
i32.const 1
i32.const 1
i32.const 1
i32.const 1
i32.const 1
return_call $f0
)
(func (export "f") (result funcref)
ref.func $f
)
)`);
var t2 = wasmEvalText(`(module
(import "" "f" (func $fi (result funcref)))
(type $t1 (func (param funcref)))
(elem declare func $f2)
(func $f2)
(func (export "test")
ref.func $f2
call $fi
ref.cast (ref $t1)
call_ref $t1
)
)`, {"": {f:t.exports.f},});
t2.exports.test();