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We want to pass the frame pointer to the IFN_CO_FRAME function so that the function can inspect the type (and determine if there are unused fields). Since we can't pass types directly, we need a real pointer. Initialise this value to 0 so that we don't get a 'used uninitialised' warning. 2019-08-09 Iain Sandoe <iain@sandoe.co.uk> gcc/cp/ * coroutines.cc (morph_fn_to_coro): Initialise the coro frame pointer before passing to IFN_CO_FRAME. From-SVN: r274228
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