[Bug middle-end/39764] New: ICE in set_lattice_value, at tree-ssa-ccp.c:468

["rmansfield at qnx dot com" <gcc-bugzilla at gcc dot gnu dot org>]

$ cat ice.ii
class A;
class B { };
extern const double NaN;
B foo(A* exec, double d);
inline B baz(A* a)     {
        return foo(a, NaN);
}
B bar(A* a) {
        return baz(a);
}
extern const double NaN = (__builtin_nanf(""));

$ ./xgcc -B. -m4 -ml  -fvisibility=hidden -O2 -finline-functions ice.ii
ice.ii: In function 'B baz(A*)':
ice.ii:11: internal compiler error: in set_lattice_value, at tree-ssa-ccp.c:468
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

$ ./xgcc -v
Using built-in specs.
Target: sh4-unknown-linux-gnu
Configured with: ../configure --build=i486-build_pc-linux-gnu
--host=i486-build_pc-linux-gnu --target=sh4-unknown-linux-gnu
--prefix=/home/ryan/crosstool-ng-1.3.1/targets/sh4-unknown-linux-gnu/build/gcc-core-static
--with-local-prefix=/home/ryan/x-tools/sh4-unknown-linux-gnu/sh4-unknown-linux-gnu/sys-root
--disable-multilib
--with-sysroot=/home/ryan/x-tools/sh4-unknown-linux-gnu/sh4-unknown-linux-gnu/sys-root
--with-newlib --enable-threads=no --disable-shared --enable-__cxa_atexit
--disable-nls --enable-symvers=gnu --enable-languages=c++
--enable-target-optspace
Thread model: single
gcc version 4.5.0 20090413 (experimental) [trunk revision 146016] (GCC)

I also reproduced the ICE in 4.3.3 and 4.4.0


-- 
           Summary: ICE in set_lattice_value, at tree-ssa-ccp.c:468
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: rmansfield at qnx dot com
 GCC build triplet: i486-build_pc-linux-gnu
  GCC host triplet: i486-build_pc-linux-gnu
GCC target triplet: sh4-unknown-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39764