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[PATCH] Make redirection only for target_clones: V2 (PR ipa/85329).

From: Martin Liška <mliska at suse dot cz>
To: gcc-patches at gcc dot gnu dot org
Cc: Jan Hubicka <hubicka at ucw dot cz>
Date: Thu, 12 Apr 2018 15:25:20 +0200
Subject: [PATCH] Make redirection only for target_clones: V2 (PR ipa/85329).
References: <5657d636-a35d-d4f8-d264-ebdbb606a0e4@suse.cz> <5d1d82e1-8174-17d4-20c3-dfe10b8b7bfd@suse.cz>

Hi.

I'm sending V2. The patch adjusts:
- make redirection just for target_clones, done simply by recording nodes
  where expand_target_clones return true
- reset various DECL_* flags on default version, needed for ipa-visibility assert I've seen
- handle empty string in target_clones: __attribute__((target_clones("",..
  I saw that during reduction of the ICE.

Patch can bootstrap on x86_64-linux-gnu and survives regression tests.

Ready to be installed?
Martin

Follow-Ups:
- Re: [PATCH] Make redirection only for target_clones: V2 (PR ipa/85329).
  - From: Martin Liška

References:
- [PATCH] Make redirection only for target_clones (PR ipa/85329).
  - From: Martin Liška
- Re: [PATCH] Make redirection only for target_clones (PR ipa/85329).
  - From: Martin Liška

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