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[Bug middle-end/37951] -ftree-parallelize-loops=2 fails for MA57



------- Comment #6 from sebpop at gmail dot com  2008-11-26 17:42 -------
Subject: Re:  -ftree-parallelize-loops=2 fails for MA57

> gfortran -O3 -fdump-tree-vect-details -ftree-vectorize
> -ftree-parallelize-loops=2 -c ma57.f
> ma57.f: In function 'ma57sd':
> ma57.f:1538: internal compiler error: Segmentation fault
[...]
> Program received signal SIGSEGV, Segmentation fault.
> 0xb7ce06f9 in free () from /lib/tls/i686/cmov/libc.so.6
> (gdb) bt
> #0  0xb7ce06f9 in free () from /lib/tls/i686/cmov/libc.so.6
> #1  0xb7cdcf43 in _IO_free_backup_area () from /lib/tls/i686/cmov/libc.so.6
> #2  0xb7cdafb2 in _IO_file_overflow () from /lib/tls/i686/cmov/libc.so.6
> #3  0xb7cda51b in _IO_file_xsputn () from /lib/tls/i686/cmov/libc.so.6
> #4  0xb7cb675f in vfprintf () from /lib/tls/i686/cmov/libc.so.6
> #5  0xb7cbf2e2 in fprintf () from /lib/tls/i686/cmov/libc.so.6
> #6  0x083a634e in vect_print_dump_info (vl=REPORT_DETAILS) at

This ICE is different than the one you reported first: this fails in the
debug dumps function.  Could you report the backtrace using the following
flags:

gfortran -O3 -ftree-vectorize -ftree-parallelize-loops=2 -c ma57.f

Thank you,
Sebastian


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37951


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