[Bug c/110427] New: a

[qurong at ios dot ac.cn via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110427

            Bug ID: 110427
           Summary: a<a-- will be satisfied in gcc 9 and gcc 11
           Product: gcc
           Version: 9.4.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: qurong at ios dot ac.cn
  Target Milestone: ---

The output of the following c program is 1 in gcc while it is -1 in clang,
Maybe -1 is the expected output for this program.
#include <stdio.h> 
int main() {
        int a = 0;
        if (a < a--) {
                a = 1;
        }
        printf("%d\n", a);
        return 0;
}