https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90720
--- Comment #2 from Jan Hubicka <hubicka at ucw dot cz> --- > I get the same failure on Linux/x86_64 when compiling/linking with > -fno-use-linker-plugin. > > This is the same behaviour as in PR lto/89884. > > It seems quite bad that gcc silently creates wrong code in such a szenario. It is just fancy builtin_constant_p being 0 rather than 1 (i.e. missed optimization). I will take a look why the testcase needs plugin. Honza