https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85078
Bug ID: 85078
Summary: LTO ICE: tree check: expected tree that contains 'decl
minimal' structure, have 'identifier_node' in
decl_mangling_context, at cp/mangle.c:878
Product: gcc
Version: 8.0.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: lto
Assignee: unassigned at gcc dot gnu.org
Reporter: sirl at gcc dot gnu.org
CC: marxin at gcc dot gnu.org
Target Milestone: ---
Created attachment 43760
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43760&action=edit
testcase
The attached testcase ICEs with trunk@r258851. 7.3.1 compiles the testcase
without problems.
g++-8 -flto -c -O2 test-LTO-ICE.cpp
during IPA pass: visibility
test-LTO-ICE.cpp:20:8: internal compiler error: tree check: expected tree that
contains 'decl minimal' structure, have 'identifier_node' in
decl_mangling_context, at cp/mangle.c:878
void c (int, const char *, a &);
^
0xa22890 tree_contains_struct_check_failed(tree_node const*,
tree_node_structure_enum, char const*, int, char const*)
../../gcc/tree.c:9494
0x4b05dc contains_struct_check(tree_node*, tree_node_structure_enum, char
const*, int, char const*)
../../gcc/tree.h:3249
0x4b05dc decl_mangling_context
../../gcc/cp/mangle.c:878
0x4b05dc write_name
../../gcc/cp/mangle.c:906
0xfd6cea write_class_enum_type
../../gcc/cp/mangle.c:2809
0xfd6cea write_type
../../gcc/cp/mangle.c:2222
0xfd743b write_array_type
../../gcc/cp/mangle.c:3600
0xfd743b write_type
../../gcc/cp/mangle.c:2146
0xfd6ea8 write_type
../../gcc/cp/mangle.c:2255
0xfd7de8 write_method_parms
../../gcc/cp/mangle.c:2796
0xfd2af4 write_bare_function_type
../../gcc/cp/mangle.c:2732
0xfd2af4 write_encoding
../../gcc/cp/mangle.c:847
0xfd220e write_mangled_name
../../gcc/cp/mangle.c:790
0xfd220e mangle_decl_string
../../gcc/cp/mangle.c:3792
0xfd1cd5 get_mangled_id
../../gcc/cp/mangle.c:3814
0xfd1cd5 mangle_decl(tree_node*)
../../gcc/cp/mangle.c:3852
0x1451e5d decl_assembler_name(tree_node*)
../../gcc/tree.c:687
0x10f55e0 symbol_table::insert_to_assembler_name_hash(symtab_node*, bool)
../../gcc/symtab.c:174
0x10f55e0 symtab_node::register_symbol()
../../gcc/symtab.c:386
0x10fd244 cgraph_node::create(tree_node*)
../../gcc/cgraph.c:520
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
