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Re: [HACKERS] "may be unused" warnings for gcc - Mailing list pgsql-hackers

From Peter Eisentraut
Subject Re: [HACKERS] "may be unused" warnings for gcc
Date
Msg-id d7d56258-a632-43e9-fdf2-4d35e257c8ad@2ndquadrant.com
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In response to [HACKERS] "may be unused" warnings for gcc  (Andres Freund <andres@anarazel.de>)
Responses Re: [HACKERS] "may be unused" warnings for gcc
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On 2/20/17 09:41, Andres Freund wrote:
> When building with a new-ish gcc (6.3.0 right now, but I've seen this
> for a while) with optimization I get a number of warnings:

These all look like related to inlining/-O3.

I have attempted to fix these in the past, but I have found that -O3
doesn't get any performance improvement, so I haven't bothered lately.

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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