[Bug tree-optimization/80497] ICE at -O1 and above on valid code on x86_64-linux-gnu in "tree_to_uhwi"

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80497

--- Comment #3 from Martin Sebor <msebor at gcc dot gnu.org> ---
Author: msebor
Date: Tue Apr 25 17:40:58 2017
New Revision: 247262

URL: https://gcc.gnu.org/viewcvs?rev=247262&root=gcc&view=rev
Log:
PR tree-optimization/80497 - ICE at -O1 and above on valid code on
x86_64-linux-gnu in tree_to_uhwi

gcc/ChangeLog:

        PR tree-optimization/80497
        * gimple-ssa-sprintf.c (get_int_range): Avoid assuming all integer
        constants are representable in HOST_WIDE_INT.
        (parse_directive): Ditto.

gcc/testsuite/ChangeLog:

        PR tree-optimization/80497
        * gcc.dg/tree-ssa/builtin-sprintf-warn-17.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-17.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-ssa-sprintf.c
    trunk/gcc/testsuite/ChangeLog