[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 #10 from Martin Sebor <msebor at gcc dot gnu.org> ---
Author: msebor
Date: Thu Jan 26 23:07:02 2017
New Revision: 244956

URL: https://gcc.gnu.org/viewcvs?rev=244956&root=gcc&view=rev
Log:
PR middle-end/78703 - fprintf-return-value floating point handling incorrect in
locales with a mulltibyte decimal point

gcc/ChangeLog:
        PR middle-end/78703
        * gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change
        to accept adjustment as an array.
        (get_int_range): New function.
        (struct directive): Make width and prec arrays.
        (directive::set_width, directive::set_precision): Call get_int_range.
        (format_integer, format_floating): Handle width and precision ranges.
        (format_string, parse_directive): Same.

gcc/testsuite/ChangeLog:
        PR middle-end/78703
        * gcc.dg/tree-ssa/builtin-snprintf-warn-1.c: Update
        * gcc.dg/tree-ssa/builtin-sprintf-warn-9.c: Rename...
        * gcc.dg/tree-ssa/builtin-sprintf-warn-10.c: ...to this.
        * gcc.dg/tree-ssa/builtin-sprintf-warn-9.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-10.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-ssa-sprintf.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/tree-ssa/builtin-snprintf-warn-1.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-9.c