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From: Julian S. <js...@ac...> - 2006-09-11 09:58:18
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> b->instr[bb->instr_count-1] seems to be invalid because bb->instr_count is > 0 and bb->instr_count-1 is out of range. That's interesting. I wonder if this happens when callgrind handles a block with zero instructions in, which can happen if the instruction decoder finds an unknown instruction. Christoph, does your program have anything like that (eg, it catches SIGILL and handles it, and/or you get messages about unknown instructions) ? J |