[Bug c/4076] -Wunused doesn't warn about static function only called by itself.

[manu at gcc dot gnu dot org]

------- Comment #21 from manu at gcc dot gnu dot org  2007-06-30 12:56 -------
Subject: Bug 4076

Author: manu
Date: Sat Jun 30 12:56:43 2007
New Revision: 126144

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=126144
Log:
2007-06-30  Manuel Lopez-Ibanez  <[EMAIL PROTECTED]>

        PR c/4076
        * c-typeck.c (build_external_ref): Don't mark as used if called
        from itself.
        * calls.c (rtx_for_function_call): Likewise.

testsuite/
        * gcc.dg/Wunused-function.c: New.

Added:
    trunk/gcc/testsuite/gcc.dg/Wunused-function.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/c-typeck.c
    trunk/gcc/calls.c
    trunk/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=4076