[Bug c/92209] New: Imprecise column number for -Wstrict-prototypes

[tangyixuan at mail dot dlut.edu.cn]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92209

            Bug ID: 92209
           Summary: Imprecise column number for -Wstrict-prototypes
           Product: gcc
           Version: 10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: tangyixuan at mail dot dlut.edu.cn
  Target Milestone: ---

GCC outputs a wrong column number of a declared function warning:

$ gcc-trunk -Wstrict-prototypes -c s.c
s.c:1:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
    1 | static int func_1();
      | ^~~~~~

gcc version 10.0.0 20191020 (experimental) (GCC)
target: Ubuntu 4.8.5-4ubuntu8~14.04.2

$ clang -Wstrict-prototypes -c s.c
s.c:1:18: warning: this function declaration is not a prototype
[-Wstrict-prototypes]
static int func_1();
                 ^
                  void
1 warning generated.

$ cat s.c

static int func_1();