[Bug middle-end/21595] [4.0/4.1 Regression] __builtin_constant_p(&"Hello"[0]) is true for C but not for C++

Tue, 17 May 2005 02:01:00 -0700 

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-05-17 
09:00 -------
Subject: Bug 21595

CVSROOT:        /cvs/gcc
Module name:    gcc
Changes by:     [EMAIL PROTECTED]       2005-05-17 09:00:03

Modified files:
        gcc            : ChangeLog builtins.c 
        gcc/testsuite  : ChangeLog 
Added files:
        gcc/testsuite/g++.dg/tree-ssa: builtin1.C 

Log message:
        2005-05-17  Richard Guenther  <[EMAIL PROTECTED]>
        
        PR middle-end/21595
        * builtins.c (fold_builtin_constant_p): Handle
        &"string cst"[0] as constant.
        
        * g++.dg/tree-ssa/builtin1.C: New testcase.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.8814&r2=2.8815
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/builtins.c.diff?cvsroot=gcc&r1=1.461&r2=1.462
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.5482&r2=1.5483
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.dg/tree-ssa/builtin1.C.diff?cvsroot=gcc&r1=NONE&r2=1.1



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21595

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