[Bug target/61535] [5 Regression] SIGBUS in gen_group_rtx compiling 64-bit gcc.dg/vect/vect-singleton_1.c

[ebotcazou at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61535

Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2014-10-24
     Ever confirmed|0                           |1

--- Comment #4 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
RTL checking tells a little more:

eric@polaris:~/build/gcc/sparc-sun-solaris2.10> gcc/cc1 -quiet
vect-singleton_1.i -m64
/vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/vect/vect-singleton_1.c: In
function 'test_vadd_f32':
/vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/vect/vect-singleton_1.c:30:91:
internal compiler error: RTL check: access of elt 0 of vector with last elt -1
in gen_group_rtx, at expr.c:1622
0xcae23f rtvec_check_failed_bounds(rtvec_def const*, int, char const*, int,
char const*)
        /home/eric/svn/gcc/gcc/rtl.c:787
0x8f9258 gen_group_rtx(rtx_def*)
        /home/eric/svn/gcc/gcc/expr.c:1622
0x9b8e3f expand_function_start(tree_node*)
        /home/eric/svn/gcc/gcc/function.c:4803
0x7a8148 execute
        /home/eric/svn/gcc/gcc/cfgexpand.c:5709
Please submit a full bug report,
with preprocessed source if appropriate.