This is number #1 ICE when building SPEC with -fwhopr. I'll attach a sample testcase once I reduced it.
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Summary: ICE in cgraph_mark_functions_to_output, at
cgraphunit.c:1137 with -fwhopr
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Keywords: lto
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: rguenth at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41734
