Tony wrote:
> Using gcc 12.1.0 on openSUSE Tumbleweed:
>
> gcc -c -I. -Iproto -DHAVE_CONFIG_H -DFEAT_GUI_GTK
> -I/usr/include/gtk-3.0 -I/usr/include/pango-1.0
> -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include
> -I/usr/include/harfbuzz -I/usr/include/freetype2
> -I/usr/include/libmount -I/usr/include/blkid -I/usr/include/fribidi
> -I/usr/include/cairo -I/usr/include/pixman-1 -I/usr/include/libpng16
> -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/gio-unix-2.0
> -I/usr/include/wayland -I/usr/include/libxkbcommon
> -I/usr/include/atk-1.0 -I/usr/include/at-spi2-atk/2.0
> -I/usr/include/dbus-1.0 -I/usr/lib64/dbus-1.0/include
> -I/usr/include/at-spi-2.0 -pthread -O2 -fno-strength-reduce -Wall
> -Wno-deprecated-declarations -D_REENTRANT -U_FORTIFY_SOURCE
> -D_FORTIFY_SOURCE=1 -o objects/vim9execute.o vim9execute.c
> vim9execute.c: In function ‘ex_disassemble’:
> vim9execute.c:6319:5: warning: ‘instr_count’ may be used uninitialized
> [-Wmaybe-uninitialized]
> 6319 | list_instructions("", instr, instr_count, ufunc);
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> vim9execute.c:6283:17: note: ‘instr_count’ was declared here
> 6283 | int instr_count;
> | ^~~~~~~~~~~
> vim9execute.c:6319:5: warning: ‘instr’ may be used uninitialized
> [-Wmaybe-uninitialized]
> 6319 | list_instructions("", instr, instr_count, ufunc);
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> vim9execute.c:6282:18: note: ‘instr’ was declared here
> 6282 | isn_T *instr;
> | ^~~~~
Hmm, you would think that the switch on enum compiletype_T would
indicate all possible paths are covered. But I guess the compiler
takes into account an enum can have another value (in C that's not
actually checked).
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