[Bug middle-end/17906] New: ICE in verify_ssa: PHI argument is not SSA_NAME, or invariant

[aj at gcc dot gnu dot org]

Compiling the attached file I get an ICE: 
 
 /opt/gcc/4.0-devel/bin/gcc -O2 -fpreprocessed parse_opts.i -v 
Reading specs from /opt/gcc/4.0-devel/lib/gcc/x86_64-suse-linux-gnu/4.0.0/specs 
Configured with: /cvs/gcc/configure --prefix=/opt/gcc/4.0-devel --disable-nls 
--enable-threads=posix --enable-clocale=gnu --enable-__cxa_atexit 
--enable-shared--enable-languages=c,c++,treelang,java,f95,objc 
--with-system-zlib x86_64-suse-linux-gnu 
Thread model: posix 
gcc version 4.0.0 20041007 (experimental) 
 /opt/gcc/4.0-devel/libexec/gcc/x86_64-suse-linux-gnu/4.0.0/cc1 -fpreprocessed 
parse_opts.i -quiet -dumpbase parse_opts.i -mtune=k8 -auxbase parse_opts -O2 
-version -fpreprocessed -o /tmp/ccE4bdqi.s 
GNU C version 4.0.0 20041007 (experimental) (x86_64-suse-linux-gnu) 
        compiled by GNU C version 4.0.0 20041007 (experimental). 
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 
parse_opts.i: In function 'usc_recressive_func': 
parse_opts.i:4424: error: PHI argument is not SSA_NAME, or invariant 
bstack_4 = PHI <bstack_9(-1), bstack(1)>; 
parse_opts.i:4424: internal compiler error: verify_ssa failed. 
Please submit a full bug report, 
with preprocessed source if appropriate. 
See <URL:http://gcc.gnu.org/bugs.html> for instructions.

-- 
           Summary: ICE in verify_ssa: PHI argument is not SSA_NAME, or
                    invariant
           Product: gcc
           Version: 4.0.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: aj at gcc dot gnu dot org
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: x86_64-linux-gnu
  GCC host triplet: x86_64-linux-gnu
GCC target triplet: x86_64-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17906