hrev45409 adds 1 changeset to branch 'master' old head: daebca78f8edce18e967705c7e7c00e0b4c43e23 new head: a54db680badfcff579a4d629e4a44f2f304ce1da overview: http://cgit.haiku-os.org/haiku/log/?qt=range&q=a54db68+%5Edaebca7 ---------------------------------------------------------------------------- a54db68: Revert "Remove fno-tree-vrp compile flag." This reverts commit e8d6e3fe3b85f88fe9506257b0cbbf5341a3a840. Also added a comment pointing to the recent discussion. See //www.freelists.org/post/haiku-development/hrev45320-Yet-another-nonobvious-effect-of-ftreevrp-optimization [ Fredrik Holmqvist <fredrik.holmqvist@xxxxxxxxx> ] ---------------------------------------------------------------------------- Revision: hrev45409 Commit: a54db680badfcff579a4d629e4a44f2f304ce1da URL: http://cgit.haiku-os.org/haiku/commit/?id=a54db68 Author: Fredrik Holmqvist <fredrik.holmqvist@xxxxxxxxx> Date: Mon Mar 25 20:51:11 2013 UTC ---------------------------------------------------------------------------- 1 file changed, 5 insertions(+), 2 deletions(-) build/jam/BuildSetup | 7 +++++-- ---------------------------------------------------------------------------- diff --git a/build/jam/BuildSetup b/build/jam/BuildSetup index c957bca..6588093 100644 --- a/build/jam/BuildSetup +++ b/build/jam/BuildSetup @@ -131,8 +131,11 @@ if $(HAIKU_USE_GCC_PIPE) = 1 { # results in some broken code. # TODO: remove the -fno-strict-aliasing option when all code has been # analyzed/fixed with regard to aliasing. +# TODO: retest/remove the -fno-tree-vrp option as soon as we have updated our +# gcc4 compiler. See this discussion on some issues: +# //www.freelists.org/post/haiku-development/hrev45320-Yet-another-nonobvious-effect-of-ftreevrp-optimization if $(HAIKU_GCC_VERSION[1]) >= 3 { - HAIKU_GCC_BASE_FLAGS += -fno-strict-aliasing ; + HAIKU_GCC_BASE_FLAGS += -fno-strict-aliasing -fno-tree-vrp ; } # disable array bounds warnings on gcc 4.6 or newer since they trigger @@ -145,7 +148,7 @@ if $(HAIKU_GCC_VERSION[1]) >= 4 { } if $(HOST_GCC_VERSION[1]) >= 3 { - HOST_GCC_BASE_FLAGS += -fno-strict-aliasing ; + HOST_GCC_BASE_FLAGS += -fno-strict-aliasing -fno-tree-vrp ; } # override gcc 2.95.3's header directory -- strictly necessary only when using