Bug 1471190 - glibc: Drop custom compiler flags (-O3 in particular)
glibc: Drop custom compiler flags (-O3 in particular)
Product: Fedora
Classification: Fedora
Component: glibc (Show other bugs)
Unspecified Unspecified
unspecified Severity unspecified
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Assigned To: Florian Weimer
Fedora Extras Quality Assurance
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Reported: 2017-07-14 11:54 EDT by Florian Weimer
Modified: 2018-01-12 05:26 EST (History)
8 users (show)

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Fixed In Version: glibc-2.26.90-14.fc28
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Last Closed: 2018-01-12 05:26:14 EST
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Description Florian Weimer 2017-07-14 11:54:04 EDT
We should compile with the upstream default flags.  The main change is using -O3 instead of -O2.  For most applications, -O2 yields better performance anyway because excessive inlining tends to increase cache pressure.

This change should happen after Fedora 27 has branched, just to be on the safe side.
Comment 1 Jan Kurik 2017-08-15 03:20:31 EDT
This bug appears to have been reported against 'rawhide' during the Fedora 27 development cycle.
Changing version to '27'.

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