On 06/20/2016 12:35 PM, Jakub Jelinek wrote:
Hi!If users use attributes like const or pure incorrectly on stringops builtins, the tree-ssa-strlen.c pass can ICE, because it expects it can e.g. replace a strcpy (which should not be const or pure) with memcpy (which also shouldn't be const/pure) etc. The patch just pretends the calls aren't builtins for the purpose of tree-ssa-strlen.c pass if they have unexpected const/pure-ness. Bootstrapped/regtested on x86_64-linux and i686-linux, ok for trunk/6.2? 2016-06-20 Jakub Jelinek <ja...@redhat.com> PR tree-optimization/71588 * tree-ssa-strlen.c (valid_builtin_call): New function. (adjust_last_stmt, handle_builtin_memset, strlen_optimize_stmt): Use it. * gcc.dg/pr71558.c: New test.
OK. jeff
