Summary: Another DWARF line number fix
Keywords: patch, wrong-code
--- Comment #0 from nfx...@gmail.com 2009-11-21 18:24:25 PST ---
There's a small detail wrong with the DWARF line number information: your code
makes wrong assumptions when the line number state machine register state is
reset. The DWARF specification says it's reset after DW_LNE_end_sequence, but
as your code resets the register state, it doesn't emit a DW_LNE_end_sequence.
The result is that some address/line number ranges in .debug_line are
This patch provides a simple fix by moving DW_LNE_end_sequence to where it is
(Note that some DWARF consumers, such as GNU BFD, are able to deal with the
buggy line number information.)
(I hope the wrong-code keyword isn't inappropriate here.)
Note that this bug is unrelated to bug 3214, which has yet to be fixed.
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