[Bug debug/26881] [4.1/4.2 Regression] internal compiler error in dwarf2out_finish
------- Comment #18 from hubicka at ucw dot cz 2006-08-20 12:47 -------
Subject: Re: [4.1/4.2 Regression] internal compiler error in dwarf2out_finish
> (In reply to comment #14)
> Any news on the patch?
Sadly we are having just tip of the iceberg here. The patch to deffer
output of debug symbols later sort of work, but I noticed there are
other PRs related to problem where optimized out static variable is
still referred to by debug info, so I attempted to move debug output
code to cgraph domain and failed to do so. The problem is that we are
quite inconsistent in way we do handle the optimized out variables. In
some cases we do emit debug output for them, in other we don't and
in another we ICE depending on case and forntend.
I guess I will back out and implement the deferring itself without
touching the whole issue for start. THen we probably ought to teach
debug info output machinery to query cgraph about whether the particular
variable was output or not and output the location or optimized out info
and move the debug output to cgraph at last (for both local and external
stuff, so we will need new datastructure in cgraph holding all
declarations in program somehow, as this is for now maintained only by
frontends)
Honza
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26881
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