https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121077
Bug ID: 121077
Summary: [GCOV] Another abnormal cov pattern about ternary
operators
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: gcov-profile
Assignee: unassigned at gcc dot gnu.org
Reporter: njuwy at smail dot nju.edu.cn
Target Milestone: ---
gcc version:
gcc version 16.0.0 20250704 (experimental) (GCC)
option:
--coverage -std=c2x
$ cat test.c
#include <stdio.h>
int main() {
int x = 10,y=5;
int z = x > y
?(x + y)*2
:y - x;
printf("z = %d\n", z);
return 0;
}
output：
z = 30
$ cat test.c.gcov
-: 1:#include <stdio.h>
1: 2:int main() {
1: 3: int x = 10,y=5;
#####: 4: int z = x > y
1: 5: ?(x + y)*2
1: 6: :y - x;
1: 7: printf("z = %d\n", z);
1: 8: return 0;
-: 9:}
without comma expression, the line 4 was marked as not executed.
