[Bug c++/25979] [4.0 Regression] incorrect codegen for conditional [SVO issue]

["jason at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>]

------- Comment #10 from jason at gcc dot gnu dot org  2006-02-09 09:54 -------
Subject: Bug 25979

Author: jason
Date: Thu Feb  9 09:54:36 2006
New Revision: 110789

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=110789
Log:
        PR c++/25979
        * tree.def: Elaborate on difference from MODIFY_EXPR.
        * doc/c-tree.texi (INIT_EXPR): Likewise.
        * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
        (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
        (gimplify_target_expr): Likewise.
        (gimplify_cond_expr): Remove target handling.
        (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
        (gimplify_expr): Clobber it here.
        (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
        Do return slot optimization if we have an INIT_EXPR.

        PR tree-opt/24365
        * tree-inline.c (declare_return_variable): Also clear
        DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.

        PR c++/16405
        * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.

        PR middle-end/22439
        * gimplify.c (gimplify_one_sizepos): Fix typo.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/cp-gimplify.c
    trunk/gcc/cp/typeck2.c
    trunk/gcc/doc/c-tree.texi
    trunk/gcc/gimplify.c
    trunk/gcc/testsuite/g++.dg/opt/temp1.C
    trunk/gcc/tree-inline.c
    trunk/gcc/tree.def


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25979