[Bug tree-optimization/85257] [6/7/8 Regression] wrong code with -O -fno-tree-ccp and reading zeroed vector member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85257 --- Comment #3 from Jakub Jelinek --- Author: jakub Date: Sat Apr 7 07:20:42 2018 New Revision: 259206 URL: https://gcc.gnu.org/viewcvs?rev=259206=gcc=rev Log: PR tree-optimization/85257 * fold-const.c (native_encode_vector):

[Bug tree-optimization/85257] [6/7/8 Regression] wrong code with -O -fno-tree-ccp and reading zeroed vector member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85257 --- Comment #2 from Jakub Jelinek --- Created attachment 43873 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43873=edit gcc8-pr85257.patch Untested fix, actually either of the fold-const.c or tree-ssa-sccvn.c changes is enough to fix

[Bug tree-optimization/85257] [6/7/8 Regression] wrong code with -O -fno-tree-ccp and reading zeroed vector member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85257 Jakub Jelinek changed: What|Removed |Added Priority|P3 |P2 Status|UNCONFIRMED