v8/test/mjsunit/compiler/regress-3260426.js

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// Falling off the end of a function returns the undefined value
// (false in a test context).  This should happen even when inlined
// (e.g., if --always-turbofan) and when it is the only exit from the
// function.
function always_false() {}
function test() { return always_false() ? 0 : 1; }

assertEquals(1, test());