[Bug middle-end/45741] [4.6 Regression] ICE: SIGSEGV in string_constant (expr.c:9863) when parsing memcmp()

[hubicka at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45741

Zdenek Sojka <zsojka at seznam dot cz> changed:

           What    |Removed                     |Added
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   Last reconfirmed|2010-09-21 17:37:53         |2010-09-24 17:37:53
               date|                            |

--- Comment #2 from Jan Hubicka <hubicka at gcc dot gnu.org> 2010-09-24 
16:24:53 UTC ---
Author: hubicka
Date: Fri Sep 24 16:24:45 2010
New Revision: 164602

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=164602
Log:

    PR tree-optimization/45738
    PR tree-optimization/45741
    * expr.c (string_constant): Allow CONST_DECL too;
    check that DECL_INITIAL is set.
    * varpool.c (const_value_known_p): Only look into VAR_DECL
    and CONST_DECL.

    * gcc.c-torture/compile/pr45741.c: New.
    * gfortran.fortran-torture/compile/pr45738.f90: New.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr45771.c
    trunk/gcc/testsuite/gfortran.fortran-torture/compile/pr45738.f90
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/expr.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/varpool.c

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