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[Bug tree-optimization/47086] [4.5/4.6 Regression] ICE: verify_flow_info failed: BB 3 can not throw but has an EH edge with -O -fexceptions -fnon-call-exceptions -ftrapv
- From: "law at redhat dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 10 Jan 2011 15:53:37 +0000
- Subject: [Bug tree-optimization/47086] [4.5/4.6 Regression] ICE: verify_flow_info failed: BB 3 can not throw but has an EH edge with -O -fexceptions -fnon-call-exceptions -ftrapv
- Auto-submitted: auto-generated
- References: <bug-47086-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47086
Jeffrey A. Law <law at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
CC| |law at redhat dot com
AssignedTo|unassigned at gcc dot |law at redhat dot com
|gnu.org |
--- Comment #2 from Jeffrey A. Law <law at redhat dot com> 2011-01-10 15:53:33 UTC ---
We're deleting the last instruction in a loop which traps. The loop exit edge
is marked as an EH edge. With the EH edge, but no trapping insn, the CFG
verifier fails.
Patch in testing.