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Force "restrict" not to be used when compiling with xlc.

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Per buildfarm animal Hornet and followup manual testing by Noah Misch,
it appears xlc miscompiles code using "restrict" in at least some
cases. Allow disabling restrict usage with FORCE_DISABLE_RESTRICT=yes
in template files, and do so for aix/xlc.

Author: Andres Freund and Tom Lane
Discussion: https://postgr.es/m/1820.1507918762@sss.pgh.pa.us
This commit is contained in:
Andres Freund
2017-10-13 11:54:59 -07:00
parent 6393613b6a
commit d133982d59
3 changed files with 14 additions and 2 deletions
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4
src/template/aix
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@ -10,6 +10,10 @@ if test "$GCC" != yes ; then
CFLAGS="-O2 -qmaxmem=16384 -qsrcmsg"
;;
esac
# Due to a compiler bug, see 20171013023536.GA492146@rfd.leadboat.com for details,
# force restrict not to be used when compiling with xlc.
FORCE_DISABLE_RESTRICT=yes
fi
# Native memset() is faster, tested on: