[Bug c/44395] New: ICE verify_stmts failed with --enable-checking=yes

[Bug c/44395] New: ICE verify_stmts failed with --enable-checking=yes

[zeccav at gmail dot com]

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In the testsuite/gcc.dg compiling test cases pr34668-1.c and pr34668-2.c with
options -combine -O2 with --enable-checking=yes I got an ICE as in the
following:

NOTICE --enable-checking=yes AND -O2 necessary for bug to appear
[vitti gcc.dg]$gcc -v
Using built-in specs.
COLLECT_GCC=/usr/bin/gcc
COLLECT_LTO_WRAPPER=/home/vitti/local/gcc-4.5.0/libexec/gcc/x86_64-redhat-linux/4.5.0/lto-wrapper
Target: x86_64-redhat-linux
Configured with: /home/vitti/gcc-4.5.0/configure
--prefix=/home/vitti/local/gcc-4.5.0 --enable-bootstrap --enable-shared
--enable-threads=posix --enable-checking=yes --with-system-zlib
--enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object
--enable-languages=c,c++,objc,obj-c++,fortran --enable-java-awt=gtk
--disable-dssi --disable-lto --without-ppl --with-cloog --with-tune=generic
--with-arch_32=i686 --build=x86_64-redhat-linux
Thread model: posix
gcc version 4.5.0 (GCC)
[vitti gcc.dg]$gcc  pr34668-1.c pr34668-2.c -c -combine
[vitti gcc.dg]$gcc  pr34668-1.c pr34668-2.c -c -combine -O0
[vitti gcc.dg]$gcc  pr34668-1.c pr34668-2.c -c -combine -O1
[vitti gcc.dg]$gcc  pr34668-1.c pr34668-2.c -c -combine -O
[vitti gcc.dg]$gcc  pr34668-1.c pr34668-2.c -c -combine -O2
pr34668-2.c: In function ‘set_conv_libfunc’:
pr34668-2.c:5:15: error: type mismatch in array reference


struct optab

struct optab

# .MEM_3 = VDEF <.MEM_1(D)>
optab_table[0].code = 57005;

pr34668-2.c:5:15: internal compiler error: verify_stmts failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Can you please look into it?
Best regards
Vittorio Zecca


-- 
           Summary: ICE verify_stmts failed with --enable-checking=yes
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: zeccav at gmail dot com
  GCC host triplet: x86_64-unknown-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44395

[Bug c/44395] ICE verify_stmts failed with --enable-checking=yes with -combine

[pinskia at gcc dot gnu dot org]

------- Comment #1 from pinskia at gcc dot gnu dot org  2010-06-02 20:52 -------


*** This bug has been marked as a duplicate of 39959 ***


-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |DUPLICATE


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44395