https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61160
--- Comment #1 from Zdenek Sojka <zsojka at seznam dot cz> --- Created attachment 32786 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=32786&action=edit testcase causing ICE Slightly modified, "struct A" replaced by "void *". Compiler output: $ g++ -O3 testcase.C testcase.C:28:1: error: edge points to wrong declaration: } ^ <function_decl 0x7f09e2392600 _ZThn8_N8CExample9MixinFuncEiPv.artificial_thunk.1.artificial_thunk.3 type <method_type 0x7f09e237c348 type <pointer_type 0x7f09e22130a8 type <void_type 0x7f09e2213000 void> public unsigned DI size <integer_cst 0x7f09e21edf78 constant 64> unit size <integer_cst 0x7f09e21edf90 constant 8> align 64 symtab 0 alias set 3 canonical type 0x7f09e22130a8 pointer_to_this <pointer_type 0x7f09e2219e70>> QI size <integer_cst 0x7f09e220c078 constant 8> unit size <integer_cst 0x7f09e220c090 constant 1> align 8 symtab 0 alias set -1 canonical type 0x7f09e237c348 method basetype <record_type 0x7f09e2374000 CExample> arg-types <tree_list 0x7f09e2396708 value <pointer_type 0x7f09e23742a0> chain <tree_list 0x7f09e21fdbb8 value <void_type 0x7f09e2213000 void>>>> readonly addressable used decl_5 QI file testcase.C line 11 col 9 align 8 context <record_type 0x7f09e2374000 CExample> arguments <parm_decl 0x7f09e236d580 this type <pointer_type 0x7f09e2374348 type <record_type 0x7f09e2374000 CExample> readonly unsigned DI size <integer_cst 0x7f09e21edf78 64> unit size <integer_cst 0x7f09e21edf90 8> align 64 symtab 0 alias set -1 canonical type 0x7f09e2374348> readonly unsigned DI file testcase.C line 11 col 39 size <integer_cst 0x7f09e21edf78 64> unit size <integer_cst 0x7f09e21edf90 8> align 64 context <function_decl 0x7f09e235ce00 _ZThn8_N8CExample9MixinFuncEiPv> arg-type <pointer_type 0x7f09e2374348> chain <parm_decl 0x7f09e236d600 arg type <integer_type 0x7f09e21ff690 int> used SI file testcase.C line 11 col 24 size <integer_cst 0x7f09e220c1c8 constant 32> unit size <integer_cst 0x7f09e220c1e0 constant 4> align 32 context <function_decl 0x7f09e235ce00 _ZThn8_N8CExample9MixinFuncEiPv> arg-type <integer_type 0x7f09e21ff690 int> chain <parm_decl 0x7f09e236d680 arg2>>>> Instead of: <function_decl 0x7f09e235ce00 _ZThn8_N8CExample9MixinFuncEiPv type <method_type 0x7f09e23741f8 type <pointer_type 0x7f09e22130a8 type <void_type 0x7f09e2213000 void> public unsigned DI size <integer_cst 0x7f09e21edf78 constant 64> unit size <integer_cst 0x7f09e21edf90 constant 8> align 64 symtab 0 alias set 3 canonical type 0x7f09e22130a8 pointer_to_this <pointer_type 0x7f09e2219e70>> QI size <integer_cst 0x7f09e220c078 constant 8> unit size <integer_cst 0x7f09e220c090 constant 1> align 8 symtab 0 alias set -1 canonical type 0x7f09e23741f8 method basetype <record_type 0x7f09e2374000 CExample> arg-types <tree_list 0x7f09e2356938 value <pointer_type 0x7f09e23742a0> chain <tree_list 0x7f09e2356618 value <integer_type 0x7f09e21ff690 int> chain <tree_list 0x7f09e2356640 value <pointer_type 0x7f09e22130a8> chain <tree_list 0x7f09e21fdbb8 value <void_type 0x7f09e2213000 void>>>>> pointer_to_this <pointer_type 0x7f09e2374888>> readonly addressable asm_written used public weak virtual decl_5 QI file testcase.C line 11 col 9 align 8 context <record_type 0x7f09e2374000 CExample> arguments <parm_decl 0x7f09e236d580 this type <pointer_type 0x7f09e2374348 type <record_type 0x7f09e2374000 CExample> readonly unsigned DI size <integer_cst 0x7f09e21edf78 64> unit size <integer_cst 0x7f09e21edf90 8> align 64 symtab 0 alias set -1 canonical type 0x7f09e2374348> readonly unsigned DI file testcase.C line 11 col 39 size <integer_cst 0x7f09e21edf78 64> unit size <integer_cst 0x7f09e21edf90 8> align 64 context <function_decl 0x7f09e235ce00 _ZThn8_N8CExample9MixinFuncEiPv> arg-type <pointer_type 0x7f09e2374348> chain <parm_decl 0x7f09e236d600 arg type <integer_type 0x7f09e21ff690 int> used SI file testcase.C line 11 col 24 size <integer_cst 0x7f09e220c1c8 constant 32> unit size <integer_cst 0x7f09e220c1e0 constant 4> align 32 context <function_decl 0x7f09e235ce00 _ZThn8_N8CExample9MixinFuncEiPv> arg-type <integer_type 0x7f09e21ff690 int> chain <parm_decl 0x7f09e236d680 arg2>>> full-name "virtual void* CExample::_ZThn8_N8CExample9MixinFuncEiPv(int, void*)" > main/14 (int main()) @0x7f09e237f7b0 Type: function definition analyzed Visibility: externally_visible public References: Referring: Availability: available First run: 0 Function flags: body only_called_at_startup Called by: Calls: _ZThn8_N8CExample9MixinFuncEiPv.artificial_thunk.1.artificial_thunk.3/38 (1.00 per call) (can throw external) testcase.C:28:1: internal compiler error: verify_cgraph_node failed 0x94409f verify_cgraph_node(cgraph_node*) /mnt/svn/gcc-trunk/gcc/cgraph.c:2996 0x93f27e verify_symtab_node(symtab_node*) /mnt/svn/gcc-trunk/gcc/symtab.c:882 0x93f2b7 verify_symtab() /mnt/svn/gcc-trunk/gcc/symtab.c:899 0xb47f9f symtab_remove_unreachable_nodes(bool, _IO_FILE*) /mnt/svn/gcc-trunk/gcc/ipa.c:308 0xc1a827 execute_todo /mnt/svn/gcc-trunk/gcc/passes.c:1843 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <http://gcc.gnu.org/bugs.html> for instructions.
