r244290 - in /trunk/gcc: ChangeLog builtins.c c...

[msebor@gcc.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