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authorKaz Kylheku <kaz@kylheku.com>2022-05-24 06:20:28 -0700
committerKaz Kylheku <kaz@kylheku.com>2022-05-24 06:20:28 -0700
commit2262860404bad7755c6a8adb10f167439037f3fa (patch)
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parent6357ea31bd2755d29a1643b71e15da5b8facc779 (diff)
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ffi: couple of tests; assertion.
* ffi.c (make_ffi_type_struct): Add check for impossible condition. The bits_alloc variable could only exceed bits_type (and thus cause the room variable to have a nonsensical, large value) if the bitfield allocation tried to continue allocating bits into an aligned unit, whose alignment exceeds the size of the underlying type. But in that case, tft->aligned would have to be true, and so the offset would have been aligned prior to this code, rendering bits_alloc zero. * tests/017/bitfields.tl: New tests.
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