[jic23-iio:testing 94/110] include/linux/compiler_types.h:702:38: error: call to '__compiletime_assert_536' declared with attribute error: min(count, (sizeof(pins) / sizeof((pins)[0]) + ((int)sizeof(struct {_Static_assert(!(!(!__builtin_types_compatible_p(typeof((pins)), typeof(&(p...

[jic23-iio:testing 94/110] include/linux/compiler_types.h:702:38: error: call to '__compiletime_assert_536' declared with attribute error: min(count, (sizeof(pins) / sizeof((pins)[0]) + ((int)sizeof(struct {_Static_assert(!(!(!__builtin_types_compatible_p(typeof((pins)), typeof(&(p...

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git testing
head:   c9dbe2a47f635465c9985b7af74d2ae310e98125
commit: 3992072f44910c0eb3fdb3cb09540b60f04cd04b [94/110] iio: adc: ti-ads1262: support excitation currents
config: mips-randconfig-r2200-20261024 (https://download.01.org/0day-ci/archive/20261024/202610241549.J9R32Wf7-lkp@intel.com/config)
compiler: mips64-linux-gcc (GCC) 8.5.0
smatch: v0.5.0-9187-g5189e3fb
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261024/202610241549.J9R32Wf7-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202610241549.J9R32Wf7-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from <command-line>:
   drivers/iio/adc/ti-ads1262.c: In function 'ads1262_parse_channel_node.constprop':
>> include/linux/compiler_types.h:702:38: error: call to '__compiletime_assert_536' declared with attribute error: min(count, (sizeof(pins) / sizeof((pins)[0]) + ((int)sizeof(struct {_Static_assert(!(!(!__builtin_types_compatible_p(typeof((pins)), typeof(&(pins)[0])))), "must be array");})))) signedness error
     _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
                                         ^
   include/linux/compiler_types.h:683:4: note: in definition of macro '__compiletime_assert'
       prefix ## suffix();    \
       ^~~~~~
   include/linux/compiler_types.h:702:2: note: in expansion of macro '_compiletime_assert'
     _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
     ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:40:37: note: in expansion of macro 'compiletime_assert'
    #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
                                        ^~~~~~~~~~~~~~~~~~
   include/linux/minmax.h:93:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
     BUILD_BUG_ON_MSG(!__types_ok(ux, uy),  \
     ^~~~~~~~~~~~~~~~
   include/linux/minmax.h:98:2: note: in expansion of macro '__careful_cmp_once'
     __careful_cmp_once(op, x, y, __UNIQUE_ID(x_), __UNIQUE_ID(y_))
     ^~~~~~~~~~~~~~~~~~
   include/linux/minmax.h:105:19: note: in expansion of macro '__careful_cmp'
    #define min(x, y) __careful_cmp(min, x, y)
                      ^~~~~~~~~~~~~
   drivers/iio/adc/ti-ads1262.c:1384:18: note: in expansion of macro 'min'
               pins, min(count, ARRAY_SIZE(pins)));
                     ^~~
--
   In file included from <command-line>:
   ti-ads1262.c: In function 'ads1262_parse_channel_node.constprop':
>> include/linux/compiler_types.h:702:38: error: call to '__compiletime_assert_536' declared with attribute error: min(count, (sizeof(pins) / sizeof((pins)[0]) + ((int)sizeof(struct {_Static_assert(!(!(!__builtin_types_compatible_p(typeof((pins)), typeof(&(pins)[0])))), "must be array");})))) signedness error
     _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
                                         ^
   include/linux/compiler_types.h:683:4: note: in definition of macro '__compiletime_assert'
       prefix ## suffix();    \
       ^~~~~~
   include/linux/compiler_types.h:702:2: note: in expansion of macro '_compiletime_assert'
     _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
     ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:40:37: note: in expansion of macro 'compiletime_assert'
    #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
                                        ^~~~~~~~~~~~~~~~~~
   include/linux/minmax.h:93:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
     BUILD_BUG_ON_MSG(!__types_ok(ux, uy),  \
     ^~~~~~~~~~~~~~~~
   include/linux/minmax.h:98:2: note: in expansion of macro '__careful_cmp_once'
     __careful_cmp_once(op, x, y, __UNIQUE_ID(x_), __UNIQUE_ID(y_))
     ^~~~~~~~~~~~~~~~~~
   include/linux/minmax.h:105:19: note: in expansion of macro '__careful_cmp'
    #define min(x, y) __careful_cmp(min, x, y)
                      ^~~~~~~~~~~~~
   ti-ads1262.c:1384:18: note: in expansion of macro 'min'
               pins, min(count, ARRAY_SIZE(pins)));
                     ^~~


vim +702 include/linux/compiler_types.h

eb5c2d4b45e3d2 Will Deacon 2020-07-21  688  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  689  #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21  690  	__compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  691  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  692  /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21  693   * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  694   * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21  695   * @msg:       a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  696   *
eb5c2d4b45e3d2 Will Deacon 2020-07-21  697   * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  698   * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  699   * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21  700   */
eb5c2d4b45e3d2 Will Deacon 2020-07-21  701  #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @702  	_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  703  

:::::: The code at line 702 was first introduced by commit
:::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h

:::::: TO: Will Deacon <will@kernel.org>
:::::: CC: Will Deacon <will@kernel.org>

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https://github.com/intel/lkp-tests/wiki