include/linux/compiler_types.h:276:27: error: expression in static assertion is not an integer

include/linux/compiler_types.h:276:27: error: expression in static assertion is not an integer

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   8ab774587903771821b59471cc723bba6d893942
commit: e1edc277e6f6dfb372216522dfc57f9381c39e35 linux/container_of.h: switch to static_assert
date:   5 days ago
config: alpha-randconfig-r012-20211115 (attached as .config)
compiler: alpha-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e1edc277e6f6dfb372216522dfc57f9381c39e35
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout e1edc277e6f6dfb372216522dfc57f9381c39e35
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=alpha SHELL=/bin/bash drivers/gpu/drm/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   In file included from include/linux/list.h:5,
                    from include/linux/wait.h:7,
                    from include/linux/dma-fence.h:17,
                    from drivers/gpu/drm/drm_file.c:35:
   drivers/gpu/drm/drm_file.c: In function 'drm_open_helper':
   drivers/gpu/drm/drm_file.c:385:56: error: 'pci_root_buses' undeclared (first use in this function); did you mean 'pci_is_root_bus'?
     385 |                         struct pci_bus *b = list_entry(pci_root_buses.next,
         |                                                        ^~~~~~~~~~~~~~
   include/linux/container_of.h:18:33: note: in definition of macro 'container_of'
      18 |         void *__mptr = (void *)(ptr);                                   \
         |                                 ^~~
   drivers/gpu/drm/drm_file.c:385:45: note: in expansion of macro 'list_entry'
     385 |                         struct pci_bus *b = list_entry(pci_root_buses.next,
         |                                             ^~~~~~~~~~
   drivers/gpu/drm/drm_file.c:385:56: note: each undeclared identifier is reported only once for each function it appears in
     385 |                         struct pci_bus *b = list_entry(pci_root_buses.next,
         |                                                        ^~~~~~~~~~~~~~
   include/linux/container_of.h:18:33: note: in definition of macro 'container_of'
      18 |         void *__mptr = (void *)(ptr);                                   \
         |                                 ^~~
   drivers/gpu/drm/drm_file.c:385:45: note: in expansion of macro 'list_entry'
     385 |                         struct pci_bus *b = list_entry(pci_root_buses.next,
         |                                             ^~~~~~~~~~
   In file included from include/linux/container_of.h:5,
                    from include/linux/list.h:5,
                    from include/linux/wait.h:7,
                    from include/linux/dma-fence.h:17,
                    from drivers/gpu/drm/drm_file.c:35:
>> include/linux/compiler_types.h:276:27: error: expression in static assertion is not an integer
     276 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
         |                           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
      78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
         |                                                        ^~~~
   include/linux/container_of.h:19:9: note: in expansion of macro 'static_assert'
      19 |         static_assert(__same_type(*(ptr), ((type *)0)->member) ||       \
         |         ^~~~~~~~~~~~~
   include/linux/container_of.h:19:23: note: in expansion of macro '__same_type'
      19 |         static_assert(__same_type(*(ptr), ((type *)0)->member) ||       \
         |                       ^~~~~~~~~~~
   include/linux/list.h:513:9: note: in expansion of macro 'container_of'
     513 |         container_of(ptr, type, member)
         |         ^~~~~~~~~~~~
   drivers/gpu/drm/drm_file.c:385:45: note: in expansion of macro 'list_entry'
     385 |                         struct pci_bus *b = list_entry(pci_root_buses.next,
         |                                             ^~~~~~~~~~


vim +276 include/linux/compiler_types.h

eb111869301e15 Rasmus Villemoes 2019-09-13  274  
d15155824c5014 Will Deacon      2017-10-24  275  /* Are two types/vars the same type (ignoring qualifiers)? */
d15155824c5014 Will Deacon      2017-10-24 @276  #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
d15155824c5014 Will Deacon      2017-10-24  277  

:::::: The code at line 276 was first introduced by commit
:::::: d15155824c5014803d91b829736d249c500bdda6 linux/compiler.h: Split into compiler.h and compiler_types.h

:::::: TO: Will Deacon <will.deacon@arm.com>
:::::: CC: Ingo Molnar <mingo@kernel.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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