https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97171
Bug ID: 97171
Summary: [11 Regression] ICE in symtab_node::get_for_asmname at
gcc/symtab.c:1023 since r11-3192-ge9fdb9a73249f95f
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: nathan at gcc dot gnu.org
Target Milestone: ---
Starting from the revision flatbuffers started to fail:
$ cat test.ii
class vector {
public:
long size();
};
template <typename _InputIterator, typename _OutputIterator,
typename _UnaryOperation>
void transform(_InputIterator, _OutputIterator, _UnaryOperation);
struct Offset {
Offset(int);
};
class FlatBufferBuilder {
public:
template <typename T, typename>
void CreateVectorOfNativeStructs(int, long len) {
T Pack();
transform(len, 0, Pack);
}
Offset CreateVectorOfNativeStructs(FlatBufferBuilder) {
CreateVectorOfNativeStructs<int, FlatBufferBuilder>(0, 0);
return 0;
}
vector vectors;
} Pack__o;
FlatBufferBuilder ApplicationDataPack__fbb;
void ApplicationDataPack() {
Pack__o.vectors.size()
? ApplicationDataPack__fbb.CreateVectorOfNativeStructs(Pack__o)
: 0;
}
$ g++ test.ii -flto -c -fmax-errors=1
test.ii:29:1: internal compiler error: Segmentation fault
29 | }
| ^
0xfff6df crash_signal
/home/marxin/Programming/gcc/gcc/toplev.c:327
0x7ffff788652f ???
/usr/src/debug/glibc-2.31-6.3.x86_64/signal/../sysdeps/unix/sysv/linux/x86_64/sigaction.c:0
0xbcd324 symbol_table::decl_assembler_name_hash(tree_node const*)
/home/marxin/Programming/gcc/gcc/tree.h:3554
0xbd10e0 symtab_node::get_for_asmname(tree_node const*)
/home/marxin/Programming/gcc/gcc/symtab.c:1023
0xbd11fd symtab_node::verify_base()
/home/marxin/Programming/gcc/gcc/symtab.c:1114
0xbdde2d cgraph_node::verify_node()
/home/marxin/Programming/gcc/gcc/cgraph.c:3372
0xbd1d84 symtab_node::verify()
/home/marxin/Programming/gcc/gcc/symtab.c:1318
0xbd2ece symtab_node::verify_symtab_nodes()
/home/marxin/Programming/gcc/gcc/symtab.c:1346
0xbe5c66 symtab_node::checking_verify_symtab_nodes()
/home/marxin/Programming/gcc/gcc/cgraph.h:667
0xbe5c66 symbol_table::compile()
/home/marxin/Programming/gcc/gcc/cgraphunit.c:2759
0xbe8052 symbol_table::compile()
/home/marxin/Programming/gcc/gcc/cgraphunit.c:2756
0xbe8052 symbol_table::finalize_compilation_unit()
/home/marxin/Programming/gcc/gcc/cgraphunit.c:3021
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
