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f657d66569
PR ipa/63622
PR ipa/63795
* g++.dg/ipa/ipa-icf-4.C: Add more precise dump scan.
* g++.dg/ipa/ipa-icf-5.C: Add condition for target
with symbol alias support.
* ipa-icf.c (sem_function::merge): Add new target symbol alias
support guard.
(sem_variable::merge): Likewise.
* ipa-icf.h (target_supports_symbol_aliases_p): New function.
From-SVN: r217355
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