[Bug target/86673] [8/9 regression] inline asm sometimes ignores 'register asm("reg")' declarations

[arnd at linaro dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86673

--- Comment #9 from Arnd Bergmann <arnd at linaro dot org> ---
Reproduced on arm64 and x86 as well, see x86 version:

void fn1() {
   register const int h asm("edx") = 1;
    __asm__(".ifnc %0,edx; .err; .endif" :: "r"(h));
}