[Bug sanitizer/68299] New: [5/6 Regression] runtime error: member call on null pointer of type 'const struct __lambda0'

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68299

            Bug ID: 68299
           Summary: [5/6 Regression] runtime error: member call on null
                    pointer of type 'const struct __lambda0'
           Product: gcc
           Version: 5.2.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: sanitizer
          Assignee: unassigned at gcc dot gnu.org
          Reporter: redi at gcc dot gnu.org
                CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org,
                    jakub at gcc dot gnu.org, kcc at gcc dot gnu.org
  Target Milestone: ---

int main()
{
  void(*p)() = +[] { };
  p();
}

$ g++ -fsanitize=undefined ub.cc  
$ ./a.out
ub.cc:3:22: runtime error: member call on null pointer of type 'const struct
__lambda0'