[Bug lto/53282] lto and visibility-inlines-hidden makes "wrongly" hidden symbols and in a way that depends on the order of the input compilation units

[vincenzo.innocente at cern dot ch]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53282

--- Comment #6 from vincenzo Innocente <vincenzo.innocente at cern dot ch> 2012-05-09 09:39:54 UTC ---
On 9 May, 2012, at 11:10 AM, rguenth at gcc dot gnu.org wrote:

> All hidden symbols are postfixed with something like .local.77.4195, making
> them no longer the symbols for the explicitely instantiated functions.
> 
> I suppose you say that the bug is that you have explicitely instantiated
> some templates which you want to have appear in the library as exported
> but LTO makes all instances hidden so that no externally visible symbol
> for that explicitely instantiated template remains?

correct.
The additional point is that this happens only for some symbols, not all, even
if the definitions/declarations are identical.