[Bug c++/27371] [4.1/4.2 Regression] Does not warn about unused function result (__attribute__((warn_unused_result)))

Wed, 06 Sep 2006 18:14:31 -0700 


------- Comment #5 from jason at gcc dot gnu dot org  2006-09-07 01:13 -------
Subject: Bug 27371

Author: jason
Date: Thu Sep  7 01:12:00 2006
New Revision: 116737

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=116737
Log:
        PR c++/27371
        * tree-inline.c (copy_result_decl_to_var): New fn.
        (declare_return_variable): Use it.  Call declare_inline_vars here.
        (expand_call_inline): Not here.
        * cp/cvt.c (convert_to_void): Strip useless TARGET_EXPR.
        * cp/cp-tree.h (TARGET_EXPR_IMPLICIT_P): New macro.
        * cp/tree.c (build_cplus_new): Set it.

Added:
    trunk/gcc/testsuite/g++.dg/warn/unused-result1.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/cp-tree.h
    trunk/gcc/cp/cvt.c
    trunk/gcc/cp/tree.c
    trunk/gcc/tree-inline.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27371

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