[Bug tree-optimization/38789] [4.4 Regression] __builtin_constant_p appears to evaluate to true for non-constant arguments.

[jakub at gcc dot gnu dot org]

------- Comment #9 from jakub at gcc dot gnu dot org  2009-01-16 15:01 -------
Subject: Bug 38789

Author: jakub
Date: Fri Jan 16 15:01:24 2009
New Revision: 143435

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=143435
Log:
        PR tree-optimization/38789
        * tree-ssa-threadedge.c
        (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
        __builtin_constant_p.

        * gcc.c-torture/compile/pr38789.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr38789.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-threadedge.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38789