https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98582
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |jakub at gcc dot gnu.org
--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
That testcase is invalid C, violates the aliasing rules, so either you need
-fno-strict-aliasing, or use
typedef uint16_t alias_int16_t __attribute__((may_alias));
and change hdr type to be const alias_int16_t *.
