kit

kit
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attr_p2_09_visibility_hidden.c (498B)

      1 /* Phase 2: __attribute__((visibility("hidden"))) on a function sets the
      2  * ELF symbol visibility to STV_HIDDEN (Mach-O: N_PEXT). Visibility is
      3  * not observable at runtime within a single TU; the symbol-table check
      4  * lives in a separate ELF-inspecting integration harness. Here we only
      5  * confirm the program compiles and the function is callable. */
      6 int hidden_fn(void) __attribute__((visibility("hidden")));
      7 
      8 int hidden_fn(void) { return 13; }
      9 
     10 int test_main(void) { return hidden_fn() - 13; }