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From: "vries at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug debug/96997] [10/11 Regression] step over in gdb always stops
 in basic_string(const _CharT* __s, const _Alloc& __a = _Alloc())
Date: Thu, 10 Sep 2020 08:16:44 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96997

--- Comment #2 from Tom de Vries <vries at gcc dot gnu.org> ---
Line number info for main [4009d2,400ad2] with g++ 9.3.1:
...
CU: ./test.c:
File name                            Line number    Starting address    Vie=
w=20=20=20
Stmt
test.c                                         6            0x4009d2=20=20=
=20=20=20=20=20=20=20=20=20
   x
test.c                                         7            0x4009db=20=20=
=20=20=20=20=20=20=20=20=20
   x
test.c                                         7            0x4009fc=20=20=
=20=20=20=20=20=20=20=20=20
   x
test.c                                         7            0x400a0d=20=20=
=20=20=20=20=20=20=20=20=20
   x
test.c                                         8            0x400a25=20=20=
=20=20=20=20=20=20=20=20=20
   x
test.c                                         8            0x400a46=20=20=
=20=20=20=20=20=20=20=20=20
   x
test.c                                         8            0x400a57=20=20=
=20=20=20=20=20=20=20=20=20
   x
test.c                                         9            0x400a6f=20=20=
=20=20=20=20=20=20=20=20=20
   x
test.c                                         7            0x400a79=20=20=
=20=20=20=20=20=20=20=20=20
   x
test.c                                         7            0x400a8a=20=20=
=20=20=20=20=20=20
test.c                                         8            0x400aa4=20=20=
=20=20=20=20=20=20=20=20=20
   x
test.c                                         8            0x400ab5=20=20=
=20=20=20=20=20=20
test.c                                        10            0x400acc=20=20=
=20=20=20=20=20=20=20=20=20
   x
...

Line number info for main [4009d6,400ad5] with g++ 10.2.1:
...
CU: ./test.c:
File name                            Line number    Starting address    Vie=
w=20=20=20
Stmt
test.c                                         6            0x4009d6=20=20=
=20=20=20=20=20=20=20=20=20
   x
test.c                                         7            0x4009df=20=20=
=20=20=20=20=20=20=20=20=20
   x
test.c                                         7            0x400a00=20=20=
=20=20=20=20=20=20
test.c                                         7            0x400a11=20=20=
=20=20=20=20=20=20=20=20=20
   x

/usr/include/c++/10/bits/basic_string.h:
basic_string.h                               525            0x400a1d=20=20=
=20=20=20=20=20=20=20=20=20
   x

./test.c:[++]
test.c                                         8            0x400a29=20=20=
=20=20=20=20=20=20=20=20=20
   x
test.c                                         8            0x400a4a=20=20=
=20=20=20=20=20=20
test.c                                         8            0x400a5b=20=20=
=20=20=20=20=20=20=20=20=20
   x

/usr/include/c++/10/bits/basic_string.h:
basic_string.h                               525            0x400a67=20=20=
=20=20=20=20=20=20=20=20=20
   x

./test.c:[++]
test.c                                         9            0x400a73=20=20=
=20=20=20=20=20=20=20=20=20
   x
test.c                                         7            0x400a7a=20=20=
=20=20=20=20=20=20=20=20=20
   x

/usr/include/c++/10/bits/basic_string.h:
basic_string.h                               525            0x400a8b=20=20=
=20=20=20=20=20=20=20=20=20
   x

./test.c:[++]
test.c                                         8            0x400aa5=20=20=
=20=20=20=20=20=20=20=20=20
   x

/usr/include/c++/10/bits/basic_string.h:
basic_string.h                               525            0x400ab6=20=20=
=20=20=20=20=20=20=20=20=20
   x

./test.c:[++]
test.c                                        10            0x400ad0=20=20=
=20=20=20=20=20=20=20=20=20
   x
...=