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[Bug tree-optimization/85168] [7/8 Regression] ICE in tree-ssa-coalesce.c: SSA corruption: Unable to coalesce ssa_names which are marked as MUST COALESCE when -O2 is used
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 03 Apr 2018 10:24:03 +0000
- Subject: [Bug tree-optimization/85168] [7/8 Regression] ICE in tree-ssa-coalesce.c: SSA corruption: Unable to coalesce ssa_names which are marked as MUST COALESCE when -O2 is used
- Auto-submitted: auto-generated
- References: <bug-85168-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85168
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |ice-on-valid-code
Priority|P3 |P2
Target Milestone|--- |7.4
Summary|ICE in tree-ssa-coalesce.c: |[7/8 Regression] ICE in
|SSA corruption: Unable to |tree-ssa-coalesce.c: SSA
|coalesce ssa_names which |corruption: Unable to
|are marked as MUST COALESCE |coalesce ssa_names which
|when -O2 is used |are marked as MUST COALESCE
| |when -O2 is used
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
caused by code-hoisting but eventually latent.