https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65851
Bug ID: 65851 Summary: ice in set_lattice_value at tree-ssa-cc p.c:535 Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: dcb314 at hotmail dot com Created attachment 35386 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35386&action=edit gzipped C++ source code The attached code, when compiled by gcc trunk dated 20150422, with flag -O2 on x86_64, does this bug201.cc: In member function ‘void CamWnd::Cam_Draw()’: bug201.cc:95609:6: internal compiler error: in set_lattice_value, at tree-ssa-cc p.c:535 void CamWnd::Cam_Draw() { ^ 0xed5857 set_lattice_value ../../src/trunk/gcc/tree-ssa-ccp.c:535 0xedacdc visit_assignment ../../src/trunk/gcc/tree-ssa-ccp.c:2290 0xedacdc ccp_visit_stmt ../../src/trunk/gcc/tree-ssa-ccp.c:2364 0xf63174 simulate_stmt ../../src/trunk/gcc/tree-ssa-propagate.c:348 This might be related to bug # 63914.