[Intel-gfx] [drm-intel:for-linux-next 14/15] cc1: warning: unrecognized command line option '-Wno-implicit-fallthrough'

[kbuild test robot]

tree:   git://anongit.freedesktop.org/drm-intel for-linux-next
head:   886c6b8692ba5f71b578097524b3b082e2e02119
commit: 39bf4de89ff7c87a2205e7ec5483e7424b86a1f6 [14/15] drm/i915: Add -Wall -Wextra to our build, set warnings to full
config: i386-randconfig-x0-10270203 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        git checkout 39bf4de89ff7c87a2205e7ec5483e7424b86a1f6
        # save the attached .config to linux build tree
        make ARCH=i386 

All warnings (new ones prefixed by >>):

     ^~
   include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'strlcpy' which is not static
       ______f = {     \
       ^
   include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^~~~~~~~~~
   include/linux/string.h:293:3: note: in expansion of macro 'if'
      if (len >= p_size)
      ^~
   include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'strlcpy' which is not static
       ______f = {     \
       ^
   include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^~~~~~~~~~
   include/linux/string.h:291:3: note: in expansion of macro 'if'
      if (__builtin_constant_p(len) && len >= p_size)
      ^~
   include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'strlcpy' which is not static
       ______f = {     \
       ^
   include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^~~~~~~~~~
   include/linux/string.h:289:2: note: in expansion of macro 'if'
     if (size) {
     ^~
   include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'strlcpy' which is not static
       ______f = {     \
       ^
   include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^~~~~~~~~~
   include/linux/string.h:286:2: note: in expansion of macro 'if'
     if (p_size == (size_t)-1 && q_size == (size_t)-1)
     ^~
   include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'strnlen' which is not static
       ______f = {     \
       ^
   include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^~~~~~~~~~
   include/linux/string.h:274:2: note: in expansion of macro 'if'
     if (p_size <= ret && maxlen != ret)
     ^~
   include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'strlen' which is not static
       ______f = {     \
       ^
   include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^~~~~~~~~~
   include/linux/string.h:264:2: note: in expansion of macro 'if'
     if (p_size <= ret)
     ^~
   include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'strlen' which is not static
       ______f = {     \
       ^
   include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^~~~~~~~~~
   include/linux/string.h:261:2: note: in expansion of macro 'if'
     if (p_size == (size_t)-1)
     ^~
   include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'strcat' which is not static
       ______f = {     \
       ^
   include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^~~~~~~~~~
   include/linux/string.h:252:2: note: in expansion of macro 'if'
     if (strlcat(p, q, p_size) >= p_size)
     ^~
   include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'strcat' which is not static
       ______f = {     \
       ^
   include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^~~~~~~~~~
   include/linux/string.h:250:2: note: in expansion of macro 'if'
     if (p_size == (size_t)-1)
     ^~
   include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'strncpy' which is not static
       ______f = {     \
       ^
   include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^~~~~~~~~~
   include/linux/string.h:242:2: note: in expansion of macro 'if'
     if (p_size < size)
     ^~
   include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'strncpy' which is not static
       ______f = {     \
       ^
   include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^~~~~~~~~~
   include/linux/string.h:240:2: note: in expansion of macro 'if'
     if (__builtin_constant_p(size) && p_size < size)
     ^~
>> cc1: warning: unrecognized command line option '-Wno-implicit-fallthrough'

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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