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90fcc46681
When compiling with CFLAGS/CXXFLAGS="-O0 -g -Wall" and using g++ 11.0.0, we
run into:
...
src/gdb/tui/tui-winsource.c: In function \
'void tui_update_all_breakpoint_info(breakpoint*)':
src/gdb/tui/tui-winsource.c:427:58: warning: '<unknown>' may be used \
uninitialized [-Wmaybe-uninitialized]
427 | for (tui_source_window_base *win : tui_source_windows ())
| ^
In file included from src/gdb/tui/tui-winsource.c:38:
src/gdb/tui/tui-winsource.h:236:30: note: by argument 1 of type \
'const tui_source_windows*' to 'tui_source_window_iterator \
tui_source_windows::begin() const' declared here
236 | tui_source_window_iterator begin () const
| ^~~~~
src/gdb/tui/tui-winsource.c:427:58: note: '<anonymous>' declared here
427 | for (tui_source_window_base *win : tui_source_windows ())
| ^
...
The warning doesn't make sense for an empty struct, PR gcc/96295 has been
filed about that.
For now, work around the warning by defining a default constructor.
Build on x86_64-linux.
gdb/ChangeLog:
2020-07-23 Tom de Vries <tdevries@suse.de>
PR tui/26282
* tui/tui-winsource.h (struct tui_source_windows::tui_source_windows):
New default constructor.