r267157 - in /trunk/gcc: ChangeLog gimple-ssa-s...

Fri Dec 14 22:38:00 GMT 2018

Author: msebor
Date: Fri Dec 14 22:38:08 2018
New Revision: 267157

URL: https://gcc.gnu.org/viewcvs?rev=267157&root=gcc&view=rev
Log:
PR tree-optimization/87096 - Optimised snprintf is not POSIX conformant

gcc/ChangeLog:

	PR rtl-optimization/87096
	* gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call): Avoid
	folding calls whose bound may exceed INT_MAX.  Diagnose bound ranges
	that exceed the limit.

gcc/testsuite/ChangeLog:

	PR tree-optimization/87096
	* gcc.dg/tree-ssa/builtin-snprintf-4.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/builtin-snprintf-4.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-ssa-sprintf.c
    trunk/gcc/testsuite/ChangeLog