[Bug middle-end/30729] [4.1/4.2/4.3 Regression] value computed is not used warning with unused result of va_arg

[pinskia at gcc dot gnu dot org]

------- Comment #2 from pinskia at gcc dot gnu dot org  2007-02-16 01:19 -------
Subject: Bug 30729

Author: pinskia
Date: Fri Feb 16 01:19:23 2007
New Revision: 122027

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=122027
Log:
2007-02-15  Andrew Pinski  <[EMAIL PROTECTED]>

        PR middle-end/30729
        * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
        effects unknown to this function, return early.

2007-02-15  Andrew Pinski  <[EMAIL PROTECTED]>

        PR middle-end/30729
        * gcc.dg/Wunused-value-2.c: New testcase.


Added:
    trunk/gcc/testsuite/gcc.dg/Wunused-value-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/stmt.c
    trunk/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30729