https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99562
Bug ID: 99562
Summary: Invalid debug info: objdump: Warning: Location list
starting at offset 0x9c3 is not terminated.
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Keywords: wrong-code
Severity: normal
Priority: P3
Component: debug
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: jakub at gcc dot gnu.org, mark at gcc dot gnu.org
Target Milestone: ---
The following produces an invalid debug info:
cat fsize.ii
template < class, class, class, class = void, class = void > struct expression;
template < class tag, class Arg1, class Arg2 >
struct expression< tag, Arg1, Arg2 > {};
template < class Backend > class number {
public:
template < class tag, class Arg1, class Arg2, class Arg3, class Arg4 >
void operator=(expression< tag, Arg1, Arg2, Arg3, Arg4 > e) {
do_assign(e, int());
}
template < class tag, class Arg1, class Arg2, class Arg3, class Arg4 >
number(expression< tag, Arg1, Arg2, Arg3, Arg4 > e) {
*this = e;
}
template < class tag, class Arg1, class Arg2, class Arg3, class Arg4 >
void do_assign(expression< tag, Arg1, Arg2, Arg3, Arg4 > e, int) {
Backend __trans_tmp_3 ;
eval_multiply(m_backend, __trans_tmp_3, canonical_value(e));
}
Backend m_backend;
Backend canonical_value(number);
};
enum cpp_integer_type { signed_magnitude };
enum cpp_int_check_type { unchecked };
template < unsigned = 0, unsigned = 0, cpp_integer_type = signed_magnitude,
cpp_int_check_type = unchecked, class = int >
struct Trans_NS_backends_cpp_int_backend;
struct cpp_int_base {
bool m_alias;
void allocator();
cpp_int_base() {
{
if (m_alias)
allocator();
}
}
};
template < unsigned, unsigned, cpp_integer_type, cpp_int_check_type, class >
struct Trans_NS_backends_cpp_int_backend : cpp_int_base {};
template < unsigned MinBits1, unsigned MaxBits1, cpp_integer_type SignType1,
cpp_int_check_type Checked1, class Allocator1, unsigned MinBits2,
unsigned MaxBits2, cpp_integer_type SignType2,
cpp_int_check_type Checked2, class Allocator2, unsigned MinBits3,
unsigned MaxBits3, cpp_integer_type SignType3,
cpp_int_check_type Checked3, class Allocator3 >
void
eval_multiply(Trans_NS_backends_cpp_int_backend< MinBits1, MaxBits1, SignType1,
Checked1, Allocator1 >,
Trans_NS_backends_cpp_int_backend< MinBits2, MaxBits2, SignType2,
Checked2, Allocator2 >,
Trans_NS_backends_cpp_int_backend< MinBits3, MaxBits3, SignType3,
Checked3, Allocator3 >) {
Trans_NS_backends_cpp_int_backend<> t0;
__int128 limb_max = ~static_cast< unsigned long >(0);
}
class FSize {
number< Trans_NS_backends_cpp_int_backend<> > _size;
FSize();
};
expression< int, int, int > __trans_tmp_13;
FSize::FSize() : _size(__trans_tmp_13) {}
$ g++ -gdwarf-4 fsize.ii -c -g -O && objdump -g fsize.o >/dev/null
objdump: Warning: Location list starting at offset 0x9c3 is not terminated.
objdump: Warning: There is a hole [0x9f9 - 0xa0f] in .debug_loc section.
objdump: Warning: Location list starting at offset 0xa8b is not terminated.
objdump: Warning: There is a hole [0xac1 - 0xad7] in .debug_loc section.
objdump: Warning: Location list starting at offset 0xb53 is not terminated.
objdump: Warning: There is a hole [0xb89 - 0xb9f] in .debug_loc section.
objdump: Warning: Location list starting at offset 0xc1b is not terminated.
objdump: Warning: There is a hole [0xc51 - 0xc67] in .debug_loc section.
