[paulmck-rcu:dev.2023.07.24a 26/26] include/linux/init.h:149:32: error: expected ';' after top level declarator

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2023.07.24a
head:   aaeb7f70ca6fef20998ac6aa580e42ca7b85fb7f
commit: aaeb7f70ca6fef20998ac6aa580e42ca7b85fb7f [26/26] squash! fs/proc: Add /proc/cmdline_load for boot loader arguments
config: arm64-randconfig-r012-20230726 (https://download.01.org/0day-ci/archive/20230727/202307270637.D2qvjL9a-lkp@xxxxxxxxx/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce: (https://download.01.org/0day-ci/archive/20230727/202307270637.D2qvjL9a-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202307270637.D2qvjL9a-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:13:
   In file included from include/linux/resource_ext.h:11:
   In file included from include/linux/slab.h:15:
   In file included from include/linux/cache.h:6:
   In file included from arch/arm64/include/asm/cache.h:43:
   In file included from arch/arm64/include/asm/cputype.h:201:
   In file included from arch/arm64/include/asm/sysreg.h:753:
   In file included from arch/arm64/include/asm/alternative.h:9:
>> include/linux/init.h:149:32: error: expected ';' after top level declarator
   extern char boot_command_line[] __ro_after_init;
                                  ^
                                  ;
   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:14:
   In file included from include/linux/device.h:32:
   In file included from include/linux/device/driver.h:21:
   In file included from include/linux/module.h:19:
   In file included from include/linux/elf.h:6:
   In file included from arch/arm64/include/asm/elf.h:141:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:97:11: warning: array index 3 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
                   return (set->sig[3] | set->sig[2] |
                           ^        ~
   include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
           unsigned long sig[_NSIG_WORDS];
           ^
   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:14:
   In file included from include/linux/device.h:32:
   In file included from include/linux/device/driver.h:21:
   In file included from include/linux/module.h:19:
   In file included from include/linux/elf.h:6:
   In file included from arch/arm64/include/asm/elf.h:141:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:97:25: warning: array index 2 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
                   return (set->sig[3] | set->sig[2] |
                                         ^        ~
   include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
           unsigned long sig[_NSIG_WORDS];
           ^
   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:14:
   In file included from include/linux/device.h:32:
   In file included from include/linux/device/driver.h:21:
   In file included from include/linux/module.h:19:
   In file included from include/linux/elf.h:6:
   In file included from arch/arm64/include/asm/elf.h:141:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:98:4: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
                           set->sig[1] | set->sig[0]) == 0;
                           ^        ~
   include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
           unsigned long sig[_NSIG_WORDS];
           ^
   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:14:
   In file included from include/linux/device.h:32:
   In file included from include/linux/device/driver.h:21:
   In file included from include/linux/module.h:19:
   In file included from include/linux/elf.h:6:
   In file included from arch/arm64/include/asm/elf.h:141:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:100:11: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
                   return (set->sig[1] | set->sig[0]) == 0;
                           ^        ~
   include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
           unsigned long sig[_NSIG_WORDS];
           ^
   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:14:
   In file included from include/linux/device.h:32:
   In file included from include/linux/device/driver.h:21:
   In file included from include/linux/module.h:19:
   In file included from include/linux/elf.h:6:
   In file included from arch/arm64/include/asm/elf.h:141:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:113:11: warning: array index 3 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
                   return  (set1->sig[3] == set2->sig[3]) &&
                            ^         ~


vim +149 include/linux/init.h

   146	
   147	/* Defined in init/main.c */
   148	extern int do_one_initcall(initcall_t fn);
 > 149	extern char boot_command_line[] __ro_after_init;
   150	extern char *saved_command_line;
   151	extern unsigned int saved_command_line_len;
   152	extern unsigned int reset_devices;
   153	extern char saved_bootconfig_string[];
   154	

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