r243684 - in /trunk/gcc: ChangeLog gimple-ssa-s...
msebor@gcc.gnu.org
msebor@gcc.gnu.org
Thu Dec 15 04:35:00 GMT 2016
Author: msebor
Date: Thu Dec 15 04:35:31 2016
New Revision: 243684
URL: https://gcc.gnu.org/viewcvs?rev=243684&root=gcc&view=rev
Log:
PR middle-end/78519 - missing warning for sprintf %s with null pointer
gcc/ChangeLog:
PR middle-end/78519
* gimple-ssa-sprintf.c (format_string): Handle null pointers.
(format_directive): Diagnose null pointer arguments.
(pass_sprintf_length::handle_gimple_call): Diagnose null destination
pointers. Correct location of null format string in diagnostics.
gcc/testsuite/ChangeLog:
PR middle-end/78519
* gcc.dg/tree-ssa/builtin-sprintf-warn-7.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-8.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/gimple-ssa-sprintf.c
trunk/gcc/testsuite/ChangeLog
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