[Bug c/85318] -Wc90-c99-compat does not warn about for loop initial declarations

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85318

--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Thu Jun  7 19:15:45 2018
New Revision: 261293

URL: https://gcc.gnu.org/viewcvs?rev=261293&root=gcc&view=rev
Log:
        PR c/85318
        * c-decl.c (check_for_loop_decls): Add -Wc90-c99-compat warning about
        for loop initial declarations.

        * gcc.dg/Wc90-c99-compat-10.c: New test.
        * gcc.dg/Wc90-c99-compat-11.c: New test.
        * gcc.dg/Wc90-c99-compat-12.c: New test.
        * gcc.dg/Wc90-c99-compat-9.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/Wc90-c99-compat-10.c
    trunk/gcc/testsuite/gcc.dg/Wc90-c99-compat-11.c
    trunk/gcc/testsuite/gcc.dg/Wc90-c99-compat-12.c
    trunk/gcc/testsuite/gcc.dg/Wc90-c99-compat-9.c
Modified:
    trunk/gcc/c/ChangeLog
    trunk/gcc/c/c-decl.c
    trunk/gcc/testsuite/ChangeLog