On Thu, May 28, 2020 at 01:54:42AM +0200, Borislav Petkov wrote: > On Thu, May 28, 2020 at 07:39:31AM +0800, kbuild test robot wrote: > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git > > locking/kcsan > > head: a5dead405f6be1fb80555bdcb77c406bf133fdc8 > > commit: a5dead405f6be1fb80555bdcb77c406bf133fdc8 [12/12] compiler_types.h: > > Optimize __unqual_scalar_typeof compilation time > > config: i386-randconfig-s002-20200527 (attached as .config) > > compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 > > reproduce: > > # apt-get install sparse > > # sparse version: v0.6.1-240-gf0fe1cd9-dirty > > git checkout a5dead405f6be1fb80555bdcb77c406bf133fdc8 > > # save the attached .config to linux build tree > > make W=1 C=1 ARCH=i386 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' > > > > If you fix the issue, kindly add following tag as appropriate > > Reported-by: kbuild test robot <[email protected]> > > > > All errors (new ones prefixed by >>, old ones prefixed by <<): > > I'll say. > > Looking at the subject, that broke the 0day bot too. :-) > > /me trims it. > > Looks like we need __CHECKER__ ifdeffery somewhere but it is too late > for me to think straight so tomorrow...
I think the problem is that sparse can't parse the C11 _Generic thing. Someone needs to teach it new tricks.
