[Bug debug/51902] lexical_blocks inside inlined_subroutines generate duplicate debug_ranges

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51902

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

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  Attachment #26385|0                           |1
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--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-01-20 10:46:29 UTC ---
Created attachment 26391
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26391
gcc47-pr51902.patch

This updated patch does that (I actually managed to implement it without
any sort of extra hash table or array).  Fixes up the testcase, I wonder if I
can find a testcase where the supercontext doesn't have completely identical
range, but only tail of it (i.e. that nested block/inlined subroutine could
refer to a couple of tail elements in supercontext's range).
Mark, can you please look at this if it does the right thing you want from it?