[Bug tree-optimization/121726] [15/16 regression] Possible miscompilation with strict aliasing, uint8_t[] to uint64_t*

[xry111 at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121726

Xi Ruoyao <xry111 at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |xry111 at gcc dot gnu.org

--- Comment #4 from Xi Ruoyao <xry111 at gcc dot gnu.org> ---
I agree with Andrew and Sam that this is just undefined and **not** allowed by
GCC.

The only GCC-specific exception about aliasing rule is type punning via a
union.