[Bug middle-end/47128] New: gcc.dg/graphite/pr43012.c ICEs with cloog-parma

["howarth at nitro dot med.uc.edu" <gcc-bugzilla@gcc.gnu.org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47128

           Summary: gcc.dg/graphite/pr43012.c ICEs with cloog-parma
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: howarth@nitro.med.uc.edu


The gcc.dg/graphite/pr43012.c test case ICEs when gcc trunk is built against
the pre-release cloog-parma 0.16.0 at both -m32 and -m64 The failure appears
as...

/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/xgcc
-B/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/
/sw/src/fink.build/gcc46-4.6.0-1000/gcc-4.6-20101229/gcc/testsuite/gcc.dg/graphite/pr43012.c
-O2 -floop-strip-mine -lm -m32 -o ./pr43012.exe
/sw/src/fink.build/gcc46-4.6.0-1000/gcc-4.6-20101229/gcc/testsuite/gcc.dg/graphite/pr43012.c:
In function 'pre_init_tokenizer':
/sw/src/fink.build/gcc46-4.6.0-1000/gcc-4.6-20101229/gcc/testsuite/gcc.dg/graphite/pr43012.c:21:1:
internal compiler error: in translate_clast, at graphite-clast-to-gimple.c:1123

and backtraces as...

Breakpoint 1, fancy_abort (file=0x100993870
"../../gcc-4.6-20101229/gcc/graphite-clast-to-gimple.c", line=1123,
function=0x100a4e3b0 "translate_clast") at
../../gcc-4.6-20101229/gcc/diagnostic.c:893
893      internal_error ("in %s, at %s:%d", function, trim_filename (file),
line);
(gdb) bt
#0  fancy_abort (file=0x100993870
"../../gcc-4.6-20101229/gcc/graphite-clast-to-gimple.c", line=1123,
function=0x100a4e3b0 "translate_clast") at
../../gcc-4.6-20101229/gcc/diagnostic.c:893
#1  0x00000001004e9175 in translate_clast (region=<value temporarily
unavailable, due to optimizations>, context_loop=0x142f0aaa0, stmt=<value
temporarily unavailable, due to optimizations>, next_e=0x1448782c0,
newivs=0x7fff5fbfe9d8, newivs_index=0x142d2d2b0, bb_pbb_mapping=0x142d1e510,
level=1, params_index=0x142d390d0) at
../../gcc-4.6-20101229/gcc/graphite-clast-to-gimple.c:1123
Previous frame inner to this frame (gdb could not unwind past this frame)

Using built-in specs.
COLLECT_GCC=gcc-4
COLLECT_LTO_WRAPPER=/sw/lib/gcc4.6/libexec/gcc/x86_64-apple-darwin10.5.0/4.6.0/lto-wrapper
Target: x86_64-apple-darwin10.5.0
Configured with: ../gcc-4.6-20101229/configure --prefix=/sw
--prefix=/sw/lib/gcc4.6 --mandir=/sw/share/man --infodir=/sw/lib/gcc4.6/info
--enable-languages=c,c++,fortran,objc,obj-c++,java --with-gmp=/sw
--with-libiconv-prefix=/sw --with-ppl=/sw --with-cloog=/sw --with-mpc=/sw
--with-system-zlib --x-includes=/usr/X11R6/include --x-libraries=/usr/X11R6/lib
--program-suffix=-fsf-4.6 --enable-checking=yes --enable-cloog-backend=ppl
Thread model: posix
gcc version 4.6.0 20101229 (experimental) (GCC)