https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122483
--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to H.J. Lu from comment #2)
> (In reply to Andrew Pinski from comment #1)
> > I am not sure this is just a testsuite failure/change needed. I think the
> > requirement for these attributes are for them to error out according to the
> > ACLE.
>
> No. These errors are wrong. Please compile them with g++.
No the C++ front-end is broken too. Just nobody had added tests for the C++
front-end in this case.
Try with clang:
void sc_e (void) __arm_streaming_compatible {}
void sc_e (void); // { dg-error "conflicting types" }
