[Bug c/41182] [4.5 Regression] Revision 145254 caused ICE: tree check: expected integer_cst, have nop_expr in tree_int_cst_lt, at tree.c:5259

["jsm28 at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #13 from jsm28 at gcc dot gnu dot org  2009-10-08 00:33 -------
Subject: Bug 41182

Author: jsm28
Date: Thu Oct  8 00:32:51 2009
New Revision: 152548

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=152548
Log:
        PR c/41182
        * c-common.c (c_fully_fold_internal): Strip nops from the result
        of recursive calls to c_fully_fold_internal.
        (c_wrap_maybe_const): New.
        (c_save_expr): Use c_wrap_maybe_const.
        * c-common.h (c_wrap_maybe_const): Declare.
        * c-typeck.c (build_conditional_expr, c_finish_stmt_expr,
        build_binary_op): Use c_wrap_maybe_const.

testsuite:
        * gcc.c-torture/compile/pr41182-1.c: New.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr41182-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/c-common.c
    trunk/gcc/c-common.h
    trunk/gcc/c-typeck.c
    trunk/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41182