https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93163
Bug ID: 93163 Summary: internal compiler error: verify_gimple failed Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: jiangning.liu at amperecomputing dot com Target Milestone: --- LLVM trunk build with gcc trunk exposed failure "internal compiler error: verify_gimple failed". $ g++ -O3 -c bad.cpp bad.cpp: In constructor ‘{anonymous}::AArch64SIMDInstrOpt::AArch64SIMDInstrOpt()’: bad.cpp:140602:3: error: incorrect sharing of tree nodes 140602 | AArch64SIMDInstrOpt() : MachineFunctionPass(ID) { | ^~~~~~~~~~~~~~~~~~~ *D.397057 D.397057->RC = FPR128RegClass; bad.cpp:140602:3: error: incorrect sharing of tree nodes *D.397057 D.397057->RC = FPR128RegClass; bad.cpp:140602:3: error: incorrect sharing of tree nodes *D.397057 D.397057->RC = FPR64RegClass; bad.cpp:140602:3: error: incorrect sharing of tree nodes *D.397057 D.397057->RC = FPR128RegClass; bad.cpp:140602:3: error: incorrect sharing of tree nodes *D.397057 D.397057->RC = FPR64RegClass; bad.cpp:140602:3: error: incorrect sharing of tree nodes *D.397057 D.397057->RC = FPR128RegClass; bad.cpp:140602:3: error: incorrect sharing of tree nodes *D.397057 D.397057->RC = FPR64RegClass; bad.cpp:140602:3: error: incorrect sharing of tree nodes *D.397057 D.397057->RC = FPR128RegClass; bad.cpp:140602:3: error: incorrect sharing of tree nodes *D.397057 D.397057->RC = FPR128RegClass; bad.cpp:140602:3: error: incorrect sharing of tree nodes *D.397057 D.397057->RC = FPR64RegClass; bad.cpp:140602:3: error: incorrect sharing of tree nodes *D.397057 D.397057->RC = FPR128RegClass; bad.cpp:140602:3: error: incorrect sharing of tree nodes *D.397057 D.397057->RC = FPR64RegClass; bad.cpp:140602:3: error: incorrect sharing of tree nodes *D.397057 D.397057->RC = FPR128RegClass; bad.cpp:140602:3: error: incorrect sharing of tree nodes *D.397057 D.397057->RC = FPR64RegClass; during GIMPLE pass: cfg bad.cpp:140602:3: internal compiler error: verify_gimple failed 0x100bbff verify_gimple_in_cfg(function*, bool) ../../gcc/gcc/tree-cfg.c:5445 0xebad33 execute_function_todo ../../gcc/gcc/passes.c:1983 0xebbc4b execute_todo ../../gcc/gcc/passes.c:2037 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. Bisect run shows the failure is related to commit https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=279576