[Bug middle-end/78461] [7 Regression] ICE: in operator+=, at gimple-ssa-sprintf.c:214

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78461

--- Comment #5 from Martin Sebor <msebor at gcc dot gnu.org> ---
Author: msebor
Date: Wed Nov 23 16:44:16 2016
New Revision: 242769

URL: https://gcc.gnu.org/viewcvs?rev=242769&root=gcc&view=rev
Log:
PR middle-end/78461 - [7 Regression] ICE: in operator+=

gcc/testsuite/ChangeLog:

        PR middle-end/78461
        * gcc.dg/tree-ssa/builtin-sprintf-4.c: New test.
        * gcc.dg/tree-ssa/builtin-sprintf-warn-2.c: Adjust warning text.

gcc/ChangeLog:

        PR middle-end/78461
        * gimple-ssa-sprintf.c (format_string): Correct the maxima and
        set the minimum number of bytes for an unknown string to zero.


Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-4.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-ssa-sprintf.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-2.c