[Bug c/68656] [4.9/5/6 Regression] warning about disabled var-tracking uses odd location info

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68656

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri Dec  4 18:04:06 2015
New Revision: 231292

URL: https://gcc.gnu.org/viewcvs?rev=231292&root=gcc&view=rev
Log:
        PR c/68656
        * toplev.c (init_asm_output): Pass UNKNOWN_LOCATION instead of
        input_location to inform.
        (process_options): Use warning_at (UNKNOWN_LOCATION instead of
        warning ( and error_at (UNKNOWN_LOCATION instead of error (.
        Pass UNKNOWN_LOCATION instead of input_location to fatal_error.

        * gcc.target/i386/pr65044.c: Expect error on line 0 rather than
        line 1.
        * g++.dg/opt/pr34036.C: Expect warning on line 0 rather than line 1.
        * gcc.dg/tree-ssa/pr23109.c: Likewise.
        * gcc.dg/tree-ssa/recip-5.c: Likewise.
        * gcc.dg/pr33007.c: Likewise.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/g++.dg/opt/pr34036.C
    trunk/gcc/testsuite/gcc.dg/pr33007.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr23109.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/recip-5.c
    trunk/gcc/testsuite/gcc.target/i386/pr65044.c
    trunk/gcc/toplev.c