[Bug c++/16874] Setting a breakpoint on function in anonymous namespace is unnecessarily awkward

["rguenth at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=16874

--- Comment #8 from Richard Guenther <rguenth at gcc dot gnu.org> ---
The workaround works to some extent, but tab-completion is still broken
and for

t1.C
-----
namespace { int foo (void) { return 0; } }
int bar(void);
int main() { return foo () + bar (); }

t2.C
-----
namespace { int foo2 (void) { return 1; } }
int bar () { return foo2 (); }

it doesn't allow me to set a breakpoint on t2.C::foo2 until I enter bar().
That is, using 'b *<name>' seems to do symbol lookup from the current
scope only.

For the GCC case the workaround doesn't work in practice for this reason.

b '(anonymous namespace)::foo2'

works from any context (but is quite awkward due to tab-completion being
broken).

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