https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78775
--- Comment #6 from Martin Sebor <msebor at gcc dot gnu.org> --- Author: msebor Date: Tue Jan 10 21:02:07 2017 New Revision: 244290 URL: https://gcc.gnu.org/viewcvs?rev=244290&root=gcc&view=rev Log: PR tree-optimization/78775 - [7 Regression] ICE in maybe_warn_alloc_args_overflow gcc/ChangeLog: PR tree-optimization/78775 * builtins.c (get_size_range): Move... * calls.c: ...to here. (alloc_max_size): Accept zero argument. (operand_signed_p): Remove. (maybe_warn_alloc_args_overflow): Call get_size_range. * calls.h (get_size_range): Declare. gcc/testsuite/ChangeLog: PR tree-optimization/78775 * gcc.dg/attr-alloc_size-4.c: Add test cases. * gcc.dg/attr-alloc_size-10.c: New test. * gcc.dg/attr-alloc_size-11.c: New test. * gcc.dg/builtin-stringop-chk-7.c: New test. * gcc.dg/pr78775.c: New test. * gcc.dg/pr78973-2.c: New test. * gcc.dg/pr78973.c: New test. Added: trunk/gcc/testsuite/gcc.dg/attr-alloc_size-10.c trunk/gcc/testsuite/gcc.dg/attr-alloc_size-11.c trunk/gcc/testsuite/gcc.dg/builtin-stringop-chk-7.c trunk/gcc/testsuite/gcc.dg/pr78775.c trunk/gcc/testsuite/gcc.dg/pr78973-2.c trunk/gcc/testsuite/gcc.dg/pr78973.c Modified: trunk/gcc/ChangeLog trunk/gcc/builtins.c trunk/gcc/calls.c trunk/gcc/calls.h trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/gcc.dg/attr-alloc_size-4.c