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test: fix GCC 16 compile error

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Fedora rawhide ships a pre-release of GCC 16 which produces following
error:

  uprobes.c:34:22: error: variable ‘dummy’ set but not used [-Werror=unused-but-set-variable=]
  34 |         volatile int dummy = 0;
  |                      ^~~~~

Marking this variable as "__maybe_unused" to fix the error.

Signed-off-by: Adrian Reber <areber@redhat.com>
This commit is contained in:
Adrian Reber 2026-01-09 08:15:05 +00:00 • committed by Andrei Vagin
parent b208bec12d
commit fb59ae504e
1 changed files with 1 additions and 1 deletions
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2
test/zdtm/static/uprobes.c
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@ -31,7 +31,7 @@ const char *test_author = "Shashank Balaji <shashank.mahadasyam@sony.com>";
* compiler optimization) and use it (to prevent "unused variable" warning)
*/
void UPROBED_FUNCTION(void) {
volatile int dummy = 0;
volatile int dummy __maybe_unused = 0;
dummy += 1;
}
/* Calling via volatile function pointer ensures noinline at callsite */