[Bug gas/26044] New: Some targets can't be compiled with GCC 10

[hjl.tools at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=26044

            Bug ID: 26044
           Summary: Some targets can't be compiled with GCC 10
           Product: binutils
           Version: 2.35 (HEAD)
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gas
          Assignee: unassigned at sourceware dot org
          Reporter: hjl.tools at gmail dot com
  Target Milestone: ---

/export/gnu/import/git/sources/binutils-gdb/gas/config/tc-score.c:4575:6:
error: ‘sprintf’ argument 3 may overlap destination object ‘keep_data’
[-Werror=restrict]
 4575 |      sprintf (append_str, "bne %s", keep_data);
      |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/export/gnu/import/git/sources/binutils-gdb/gas/config/tc-score.c:4573:6:
error: ‘sprintf’ argument 3 may overlap destination object ‘keep_data’
[-Werror=restrict]
 4573 |      sprintf (append_str, "beq %s", keep_data);
      |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/export/gnu/import/git/sources/binutils-gdb/gas/config/tc-score.c:4542:3:
error: ‘sprintf’ argument 3 may overlap destination object ‘keep_data’
[-Werror=restrict]
 4542 |   sprintf (append_str, "bne %s", keep_data);
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/export/gnu/import/git/sources/binutils-gdb/gas/config/tc-score.c:4540:3:
error: ‘sprintf’ argument 3 may overlap destination object ‘keep_data’
[-Werror=restrict]
 4540 |   sprintf (append_str, "beq %s", keep_data);
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/export/gnu/import/git/sources/binutils-gdb/gas/config/tc-score.c: In function
‘s3_do_macro_bcmpz’:
/export/gnu/import/git/sources/binutils-gdb/gas/config/tc-score.c:4722:6:
error: ‘sprintf’ argument 3 may overlap destination object ‘keep_data’
[-Werror=restrict]
 4722 |      sprintf (append_str, "bne %s", keep_data);
      |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/export/gnu/import/git/sources/binutils-gdb/gas/config/tc-score.c:4720:6:
error: ‘sprintf’ argument 3 may overlap destination object ‘keep_data’
[-Werror=restrict]
 4720 |      sprintf (append_str, "beq %s", keep_data);
      |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/export/gnu/import/git/sources/binutils-gdb/gas/config/tc-score.c:4690:3:
error: ‘sprintf’ argument 3 may overlap destination object ‘keep_data’
[-Werror=restrict]
 4690 |   sprintf (append_str, "bne %s", keep_data);
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/export/gnu/import/git/sources/binutils-gdb/gas/config/tc-score.c:4688:3:
error: ‘sprintf’ argument 3 may overlap destination object ‘keep_data’
[-Werror=restrict]
 4688 |   sprintf (append_str, "beq %s", keep_data);
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
make[7]: *** [Makefile:1229: config/tc-score.o] Error 1

tc-score.c has

     char *append_str = keep_data + keep_data_size;
...
              if ((inst_main.instruction & 0x3e00007e) == 0x0000004c)
                sprintf (append_str, "beq %s", keep_data);
              else
                sprintf (append_str, "bne %s", keep_data);

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