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Re: Patch for bug 23113

On Thu, 4 Aug 2005, James A. Morrison wrote:

> 
> "Joseph S. Myers" <joseph@codesourcery.com> writes:
> 
> > This patch fixes bug 23113, missing warnings from -Wunused-value
> > because of a too-general TREE_SIDE_EFFECTS check which stops the
> > warning when subexpressions have side-effects, e.g. "f() + 2;".
> 
>  Does this catch unused comparisons, e.g.
> int foo = 0;
> if (...)
>   foo == f ();

It should.

-- 
Joseph S. Myers               http://www.srcf.ucam.org/~jsm28/gcc/
    jsm@polyomino.org.uk (personal mail)
    joseph@codesourcery.com (CodeSourcery mail)
    jsm28@gcc.gnu.org (Bugzilla assignments and CCs)
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