[Bug sanitizer/63866] New: ICE in C++ printer with -fdump-ipa

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63866

            Bug ID: 63866
           Summary: ICE in C++ printer with -fdump-ipa
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: sanitizer
          Assignee: unassigned at gcc dot gnu.org
          Reporter: mpolacek at gcc dot gnu.org
                CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org,
                    jakub at gcc dot gnu.org, kcc at gcc dot gnu.org

Likely TYPE_NAME/TYPE_STUB_DECL aren't set properly for __ubsan_*_data.

int main () { int i = __INT_MAX__; i++; asm ("" : "+g" (i)); }

$ ./cc1plus -quiet -fsanitize=undefined x.C -fdump-ipa-all
x.C:1:62: internal compiler error: tree check: expected tree that contains
‘decl common’ structure, have ‘identifier_node’ in dump_aggr_type, at
cp/error.c:650
 int main () { int i = __INT_MAX__; i++; asm ("" : "+g" (i)); }
                                                              ^
0x123cf49 tree_contains_struct_check_failed(tree_node const*,
tree_node_structure_enum, char const*, int, char const*)
    /home/marek/src/gcc/gcc/tree.c:9365
0x6646b1 contains_struct_check(tree_node*, tree_node_structure_enum, char
const*, int, char const*)
    /home/marek/src/gcc/gcc/tree.h:2871
0x79d47b dump_aggr_type
    /home/marek/src/gcc/gcc/cp/error.c:650
0x79c0ed dump_type
    /home/marek/src/gcc/gcc/cp/error.c:453
0x79ecd7 dump_type_prefix
    /home/marek/src/gcc/gcc/cp/error.c:819
0x79f819 dump_simple_decl
    /home/marek/src/gcc/gcc/cp/error.c:971
0x7a0298 dump_decl
    /home/marek/src/gcc/gcc/cp/error.c:1072
0x7a8d7f decl_as_string(tree_node*, int)
    /home/marek/src/gcc/gcc/cp/error.c:2787
0x7a8e73 lang_decl_name(tree_node*, int, bool)
    /home/marek/src/gcc/gcc/cp/error.c:2822
0x8796ed cxx_printable_name_internal
    /home/marek/src/gcc/gcc/cp/tree.c:2026
0x879934 cxx_printable_name(tree_node*, int)
    /home/marek/src/gcc/gcc/cp/tree.c:2062
0xa186c4 symtab_node::name() const
    /home/marek/src/gcc/gcc/symtab.c:475
0xa19150 symtab_node::dump_base(_IO_FILE*)
    /home/marek/src/gcc/gcc/symtab.c:787
0x128d1d8 varpool_node::dump(_IO_FILE*)
    /home/marek/src/gcc/gcc/varpool.c:224
0xa19c37 symtab_node::dump(_IO_FILE*)
    /home/marek/src/gcc/gcc/symtab.c:903
0xa19c88 symtab_node::dump_table(_IO_FILE*)
    /home/marek/src/gcc/gcc/symtab.c:914
0xa342c1 symbol_table::compile()
    /home/marek/src/gcc/gcc/cgraphunit.c:2276
0xa34401 symbol_table::finalize_compilation_unit()
    /home/marek/src/gcc/gcc/cgraphunit.c:2342
0x798258 cp_write_global_declarations()
    /home/marek/src/gcc/gcc/cp/decl2.c:4677
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