[Bug c/16302] gcc fails to warn about some common logic errors

[manu at gcc dot gnu dot org]

------- Comment #9 from manu at gcc dot gnu dot org  2009-05-15 20:08 -------
Subject: Bug 16302

Author: manu
Date: Fri May 15 20:08:21 2009
New Revision: 147596

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=147596
Log:
2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR 16302
        * fold-const.c (make_range,build_range_check,merge_ranges): Move
        declaration to...
        (merge_ranges): Returns bool. 
        * tree.h (make_range): .. to here.
        (build_range_check): Likewise.
        (merge_ranges): Likewise. Renamed from merge_ranges.
        * c-typeck.c (parser_build_binary_op): Update calls to
        warn_logical_operator.
        * c-common.c (warn_logical_operator): Add new warning.
        * c-common.h (warn_logical_operator): Update declaration.
cp/
        * call.c (build_new_op): Update calls to warn_logical_operator.

testsuite/
        * gcc.dg/pr16302.c: New.
        * g++.dg/warn/pr16302.C: New.

Added:
    trunk/gcc/testsuite/g++.dg/warn/pr16302.C
    trunk/gcc/testsuite/gcc.dg/pr16302.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/c-common.c
    trunk/gcc/c-common.h
    trunk/gcc/c-typeck.c
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/call.c
    trunk/gcc/fold-const.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree.h


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16302