Daichi Kawahata wrote:
> Umm... When I compile with -O2 -Wall -ggdb, it seems a problem has
> gone.

If you can still reproduce the problem you might want to submit a
bug report to the GCC maintainers.

> I had been thinking, it's a bit danger increase of optimizing
> level.

It depends. GCC is usually tested with -O2. Especially on non-x86
architecures, it might be buggy at other optimization levels
sometimes.

-- 
Christian

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