[Bug debug/43989] g++ missing the debug information of unused local static variable

["msebor at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43989

Martin Sebor <msebor at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
                 CC|                            |msebor at gcc dot gnu.org
      Known to work|                            |5.3.0, 6.3.0, 7.0
         Resolution|---                         |WORKSFORME

--- Comment #1 from Martin Sebor <msebor at gcc dot gnu.org> ---
I cannot reproduce the GDB problem with supported versions of GCC.  Resolving
as WorksForSome.  (Please report bugs in Red Hat GCC to Red Hat at
https://bugzilla.redhat.com.

$ (cat t.C && cc='/build/gcc-git/gcc/xg++ -B /build/gcc-git/gcc -L
/build/gcc-git/x86_64-pc-linux-gnu/libstdc++-v3/src/.libs'; $cc -g t.C &&
objdump -W a.out | grep ": varIn" && gdb -batch -ex 'b main' -ex 'b Function'
-ex r -ex c -ex 'p varInFunc' -ex fin -ex 'p varInMain' a.out)
void Function()
{
  static int varInFunction = 2;
}

int main()
{
   static int varInMain = 1;
   Function();
}
    <4f>   DW_AT_name        : (indirect string, offset: 0x19): varInMain
    <89>   DW_AT_name        : (indirect string, offset: 0x0): varInFunction
Breakpoint 1 at 0x40053d: file t.C, line 9.
Breakpoint 2 at 0x400536: file t.C, line 4.

Breakpoint 1, main () at t.C:9
9          Function();

Breakpoint 2, Function () at t.C:4
4       }
No symbol "varInFunc" in current context.
main () at t.C:10
10      }
$1 = 1