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Fix incorrect __builtin_constant_p test for c_align_to #18

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Fix incorrect __builtin_constant_p test for c_align_to #18

wants to merge 1 commit into from

Commits on Jan 5, 2024

  1. Fix incorrect __builtin_constant_p test for c_align_to 

    16 aligned to 8 or 16 will always be 16, so it is legal for __builtin_constant_p to return true here, and Clang indeed performs this optimization (while GCC does not).

Adjust the argument to 8, in which case the result of the expression is not a known constant.
    @nikic
    nikic authored Jan 5, 2024
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