[Bug middle-end/78703] -fprintf-return-value floating point handling incorrect in locales with a mulltibyte decimal point

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78703

--- Comment #8 from Martin Sebor <msebor at gcc dot gnu.org> ---
Author: msebor
Date: Tue Jan 24 01:10:10 2017
New Revision: 244847

URL: https://gcc.gnu.org/viewcvs?rev=244847&root=gcc&view=rev
Log:
PR middle-end/78703 - -fprintf-return-value floating point handling incorrect
in locales with a mulltibyte decimal point
        * gimple-ssa-sprintf.c (warn_level): New global.
        (format_integer): Use it here and throughout the rest of the file.
        Use the same switch to compute sign as base.
        (maybe_warn): New function.
        (format_directive): Factor out warnings into maybe_warn.
        Add debugging output.  Use warn_level.
        (add_bytes): Use warn_level.
        (pass_sprintf_length::compute_format_length): Add debugging output.
        (try_substitute_return_value): Same.
        (pass_sprintf_length::handle_gimple_call): Set and use warn_level.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-ssa-sprintf.c