Error: COMPILER_WARNING (CWE-563):
perl-5.42.2/dist/Time-HiRes/tmp22991.c: scope_hint: In function ‘main’
perl-5.42.2/dist/Time-HiRes/tmp22991.c:7:13: warning[-Wunused-variable]: unused variable ‘tictoc’
#    7 |     clock_t tictoc;
#      |             ^~~~~~

Error: COMPILER_WARNING (CWE-457):
perl-5.42.2/dist/Time-HiRes/tmp22991.c:9:12: warning[-Wmaybe-uninitialized]: ‘ts1’ may be used uninitialized
#    9 |     ret1 = futimens(0, ts1);
#      |            ^~~~~~~~~~~~~~~~
perl-5.42.2/perl.h:1771: included_from: Included from here.
/usr/include/sys/stat.h:452:12: note: by argument 2 of type ‘const struct timespec[2]’ to ‘futimens’ declared here
#  452 | extern int futimens (int __fd, const struct timespec __times[2]) __THROW;
#      |            ^~~~~~~~
perl-5.42.2/dist/Time-HiRes/tmp22991.c:8:21: note: ‘ts1’ declared here
#    8 |     struct timespec ts1[2], ts2[2];
#      |                     ^~~

Error: COMPILER_WARNING (CWE-252):
perl-5.42.2/dist/Time-HiRes/tmp22991.c: scope_hint: In function ‘main’
perl-5.42.2/dist/Time-HiRes/tmp22991.c:11:5: warning[-Wunused-result]: ignoring return value of ‘read’ declared with attribute ‘warn_unused_result’
#   11 |     read(0, buf, 0); /* Assuming reading nothing updates atime (the [0]) */
#      |     ^~~~~~~~~~~~~~~

Error: COMPILER_WARNING (CWE-457):
perl-5.42.2/dist/Time-HiRes/tmp22991.c:12:12: warning[-Wmaybe-uninitialized]: ‘ts1’ may be used uninitialized
#   12 |     ret1 = utimensat(AT_FDCWD, "/dev/stdin", ts1, 0);
#      |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
perl-5.42.2/perl.h:1771: included_from: Included from here.
/usr/include/sys/stat.h:433:12: note: by argument 3 of type ‘const struct timespec[2]’ to ‘utimensat’ declared here
#  433 | extern int utimensat (int __fd, const char *__path,
#      |            ^~~~~~~~~
perl-5.42.2/dist/Time-HiRes/tmp22991.c:9:21: note: ‘ts1’ declared here
#    9 |     struct timespec ts1[2], ts2[2];
#      |                     ^~~

Error: GCC_ANALYZER_WARNING (CWE-457):
perl-5.42.2/dist/Time-HiRes/tmp22991.c:13:32: warning[-Wanalyzer-use-of-uninitialized-value]: use of uninitialized value ‘ts1[0].tv_nsec’
perl-5.42.2/dist/Time-HiRes/tmp22991.c:13:5: branch_true: following ‘true’ branch...
perl-5.42.2/dist/Time-HiRes/tmp22991.c:13:32: branch_true: ...to here
perl-5.42.2/dist/Time-HiRes/tmp22991.c:13:32: danger: use of uninitialized value ‘ts1[0].tv_nsec’ here

Error: COMPILER_WARNING (CWE-252):
perl-5.42.2/dist/Time-HiRes/tmp22991.c: scope_hint: In function ‘main’
perl-5.42.2/dist/Time-HiRes/tmp22991.c:14:5: warning[-Wunused-result]: ignoring return value of ‘read’ declared with attribute ‘warn_unused_result’
#   14 |     read(0, buf, 0); /* Assuming reading nothing updates atime (the [0]) */
#      |     ^~~~~~~~~~~~~~~

Error: COMPILER_WARNING:
perl-5.42.2/dist/Time-HiRes/tmp22991.c:16:17: warning[-Wunused-but-set-variable=]: variable ‘st’ set but not used
#   16 |     struct stat st;
#      |                 ^~

Error: GCC_ANALYZER_WARNING (CWE-457):
perl-5.42.2/dist/Time-HiRes/tmp22991.c:16:32: warning[-Wanalyzer-use-of-uninitialized-value]: use of uninitialized value ‘ts1[0].tv_nsec’
perl-5.42.2/dist/Time-HiRes/tmp22991.c:16:5: branch_true: following ‘true’ branch...
perl-5.42.2/dist/Time-HiRes/tmp22991.c:16:32: branch_true: ...to here
perl-5.42.2/dist/Time-HiRes/tmp22991.c:16:32: danger: use of uninitialized value ‘ts1[0].tv_nsec’ here

Error: COMPILER_WARNING:
perl-5.42.2/dist/Time-HiRes/tmp22991.c:17:7: error[error]: ‘struct stat’ has no member named ‘st_atimespec’

Error: COMPILER_WARNING:
perl-5.42.2/dist/Time-HiRes/tmp22991.c:17:8: error[error]: ‘struct stat’ has no member named ‘st_atime_n’; did you mean ‘st_atim’?