r258516 - in /trunk/gcc: ChangeLog sanopt.c tes...

[jakub@gcc.gnu.org]

Author: jakub
Date: Wed Mar 14 08:50:23 2018
New Revision: 258516

URL: https://gcc.gnu.org/viewcvs?rev=258516&root=gcc&view=rev
Log:
	PR sanitizer/83392
	* sanopt.c (maybe_optimize_ubsan_ptr_ifn): Handle also
	INTEGER_CST offset, add it together with bitpos / 8 and
	sign extend based on POINTER_SIZE.

	* c-c++-common/ubsan/ptr-overflow-sanitization-1.c: Adjust expected
	check count from 17 to 14.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/sanopt.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/c-c++-common/ubsan/ptr-overflow-sanitization-1.c