cloog segfault with -f 0

[Uday K Bondhugula]

Though the option -f 0 is not meaningful,

$ cloog -f 0 lu.pluto.cloog
[CLooG] INFO: 2 dimensions (over 6) are scalar.
Segmentation fault (core dumped)

$ cloog -v
CLooG 0.17.0-2-g3f88770 gmp bits The Chunky Loop Generator

valgrind shows

==9663== Invalid read of size 4
==9663== at 0x4D9D3FF: __gmpz_set (in /usr/lib/sse2/libgmp.so.3.5.0)
==9663== Address 0x4975800 is 4 bytes after a block of size 2,028 alloc'd
==9663== at 0x4006874: realloc (vg_replace_malloc.c:476)
==9663== by 0x4064585: isl_blk_alloc (in /usr/local/lib/libisl.so.8.0.0)
==9663==
==9663== Invalid read of size 4
==9663== at 0x4D9D423: __gmpz_set (in /usr/lib/sse2/libgmp.so.3.5.0)
==9663== Address 0x4975804 is 8 bytes after a block of size 2,028 alloc'd
==9663== at 0x4006874: realloc (vg_replace_malloc.c:476)
==9663== by 0x4064585: isl_blk_alloc (in /usr/local/lib/libisl.so.8.0.0)
==9663==
==9663== Invalid read of size 4
==9663== at 0x4DBE4B1: __gmpn_copyi (in /usr/lib/sse2/libgmp.so.3.5.0)
==9663== Address 0x0 is not stack'd, malloc'd or (recently) free'd
==9663==
==9663==
==9663== Process terminating with default action of signal 11 (SIGSEGV)
==9663== Access not within mapped region at address 0x0

[Uday K Bondhugula]

On 04/18/2012 08:35 PM, Uday K Bondhugula wrote:
>
> $ cloog -v

Forgot to attach input, but it can be reproduced with most .cloog's

$ cloog cloog-isl/test/uday_scalars.cloog
[CLooG] INFO: 3 dimensions (over 4) are scalar.
Segmentation fault (core dumped)