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[Bug lto/65536] LTO line number information garbled
- From: "manu at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 25 Mar 2015 22:53:01 +0000
- Subject: [Bug lto/65536] LTO line number information garbled
- Auto-submitted: auto-generated
- References: <bug-65536-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65536
--- Comment #39 from Manuel LÃpez-IbÃÃez <manu at gcc dot gnu.org> ---
(In reply to Jan Hubicka from comment #36)
> Manuel,
> I returned back looking for reason lines are going out wrong when we get
> short on locators. I do not understand the following code:
I just noticed that linemap_add increases the highest_location by one everytime
it is called, but there is no overflow check there. Thus, the source_locations
may indeed overflow.