git bisect start
# bad: [23240454adf160862453a3a850451a304867c29b] 	Backported from mainline 	2016-06-04  Jakub Jelinek  <jakub@redhat.com>
git bisect bad 23240454adf160862453a3a850451a304867c29b
# good: [558525d0cf372a48ae12b1dc27201dd47ab7878c] Daily bump.
git bisect good 558525d0cf372a48ae12b1dc27201dd47ab7878c
# bad: [c4727bc59ecad9e8879aed135624781fabae16b5] 	PR c++/71372 	* cp-gimplify.c (cp_fold): For INDIRECT_REF, if the folded expression 	is INDIRECT_REF or MEM_REF, copy over TREE_READONLY, TREE_SIDE_EFFECTS 	and TREE_THIS_VOLATILE flags.  For ARRAY_REF and ARRAY_RANGE_REF, copy 	over TREE_READONLY, TREE_SIDE_EFFECTS and TREE_THIS_VOLATILE flags 	to the newly built tree.
git bisect bad c4727bc59ecad9e8879aed135624781fabae16b5
# bad: [6935372a7f032acccf7876e7f54ddf494e101e5e] 2016-05-31  Richard Biener  <rguenther@suse.de>
git bisect bad 6935372a7f032acccf7876e7f54ddf494e101e5e
# bad: [909ed6a89604db5baa55b62ad253a9bcd5d89c03] backport "Remove assert in get_def_bb_for_const"
git bisect bad 909ed6a89604db5baa55b62ad253a9bcd5d89c03
# bad: [f216419e5c4c41df70dbe00a6ea1faea46484dc8] gcc/
git bisect bad f216419e5c4c41df70dbe00a6ea1faea46484dc8
# good: [745d4ecd59a3430f7c7b3bf33db1083d529a018b] libstdc++/70762 fix fallback implementation of nonexistent_path
git bisect good 745d4ecd59a3430f7c7b3bf33db1083d529a018b
# good: [a64301f7ac47b9d8f4f816c5e935cda4c92716b7] 2016-05-26  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
git bisect good a64301f7ac47b9d8f4f816c5e935cda4c92716b7