https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69438
--- Comment #4 from Abe <abe_skolnik at yahoo dot com> ---
(In reply to Andrew Pinski from comment #2)
> Confirmed, reduced testcase:
> __attribute__((noreturn)) void V8_Fatal(int);
> struct Register {
> Register(const Register& r) { }
> };
> Register fp_register() {
> V8_Fatal(0);
> }
> Register constant_pool_pointer_register() {
> V8_Fatal(0);
> }
Very interesting... I was able to reduce this to:
__attribute__((noreturn)) void V(int);
struct R{R(const R&r){}};
R f(){V(0);}
R c(){V(0);}
... which still ICEs, with sufficient "-O", but removing the last line, i.e.
trying the following:
__attribute__((noreturn)) void V(int);
struct R{R(const R&r){}};
R f(){V(0);}
... does _not_ ICE.
