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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/54783] [4.8 Regression] valgrind reports using uninitialised data in mark_pseudo_regno_live and make_object_born on basic code Date: Wed, 03 Oct 2012 06:54:00 -0000 [thread overview] Message-ID: <bug-54783-4-ZpK9zNUx87@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-54783-4@http.gcc.gnu.org/bugzilla/> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54783 Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org --- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-10-03 06:54:22 UTC --- Alternative would be to check for valgrind devel headers always, tweak the existing VALGRIND* macros used in gcc sources such that it would be only used if ENABLE_VALGRIND_CHECKING (otherwise expand to nothing) and in sparseset for hosts that have valgrind support, but no valgrind devel headers, fall back to XCNEWVEC, otherwise if valgrind devel headers are available, use the valgrind special insn even without --enable-checking=valgrind.
next prev parent reply other threads:[~2012-10-03 6:54 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-10-02 19:56 [Bug rtl-optimization/54783] New: " zsojka at seznam dot cz 2012-10-03 6:34 ` [Bug rtl-optimization/54783] " mpolacek at gcc dot gnu.org 2012-10-03 6:54 ` jakub at gcc dot gnu.org [this message] 2012-10-04 12:18 ` rguenth at gcc dot gnu.org 2012-11-13 7:29 ` jakub at gcc dot gnu.org 2012-12-07 11:46 ` rguenth at gcc dot gnu.org
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