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Re: Segmentation fault for the following Fortran program at -O3 on x86-64.
On Thu, Aug 5, 2010 at 12:33 PM, Sebastian Pop <sebpop@gmail.com> wrote:
> Toon,
> From your backtrace it looks like a problem in LNO.
> Please submit a bug report and attach your testcase.
>
I saw
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
==23110== Invalid read of size 8
==23110== at 0xB7FE2B: gimple_bb (gimple.h:1148)
==23110== by 0xB8175F: find_uses_to_rename_use (tree-ssa-loop-manip.c:247)
==23110== by 0xB81888: find_uses_to_rename_stmt (tree-ssa-loop-manip.c:284)
==23110== by 0xB81A3B: find_uses_to_rename_bb (tree-ssa-loop-manip.c:305)
==23110== by 0xB81B7E: find_uses_to_rename (tree-ssa-loop-manip.c:331)
==23110== by 0xB81C4E: rewrite_into_loop_closed_ssa
(tree-ssa-loop-manip.c:391)
==23110== by 0xAA54E8: ldist_gen (tree-loop-distribution.c:1094)
==23110== by 0xAA575A: distribute_loop (tree-loop-distribution.c:1167)
==23110== by 0xAA5809: tree_loop_distribution (tree-loop-distribution.c:1199)
==23110== by 0x936418: execute_one_pass (passes.c:1564)
==23110== by 0x936601: execute_pass_list (passes.c:1619)
==23110== by 0x936622: execute_pass_list (passes.c:1620)
==23110== Address 0x10 is not stack'd, malloc'd or (recently) free'd
==23110==
inv_dee_main.f: In function ‘inv_dee_main’:
inv_dee_main.f:1:0: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
==23110==
--
H.J.