[Bug c/27273] [4.2 regression] tree check fail for legal code when convert returns a constant from an expression that was not constant

[mueller at gcc dot gnu dot org]

------- Comment #12 from mueller at gcc dot gnu dot org  2006-05-30 13:44 
-------
Subject: Bug 27273

Author: mueller
Date: Tue May 30 13:43:55 2006
New Revision: 114238

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=114238
Log:
        PR c/27273
        * c-common.c (convert_and_check): only track TREE_CONSTANT_OVERFLOW
        for CONSTANT_CLASS_P expressions.

        * gcc.dg/overflow-warn-5.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/overflow-warn-5.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/c-common.c
    trunk/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27273