[Bug middle-end/20218] Can't use __attribute__ ((visibility ("hidden"))) to hide a symbol

[jakub at gcc dot gnu dot org]

------- Additional Comments From jakub at gcc dot gnu dot org  2005-02-28 14:49 -------
.hidden is intentionally emitted only at the definitions, not for the undefs.
Otherwise a header with 1000 prototypes with __attribute__((visibility
("hidden"))) would result in 1000 STV_HIDDEN SHN_UNDEF symbols, even when they
aren't used at all in the file at all.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20218