[Bug gold/17902] missing optimization: unused strings not deleted

[rafael.espindola at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=17902



--- Comment #3 from Rafael Ávila de Espíndola <rafael.espindola a
t gmail dot com> ---

(In reply to Clément Péron from comment #2)

> Hi,

> 

> Any Progress ? 

> 

> I made an ugly path to put each string in an unique section,

> .rodata.str1.__hash__

> 

> it's working fine but string merging is impossible except if the strings 
are

> identical.

> 

> I think group strings depending on the function, like for .text sections

> could be a good idea.



I have a wip patch up for comments.



I have split various cleanup that also speed up --gc-sections. Most of these

are already in.



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