In file included from ../util/hb-view.cc:33:
In file included from ../util/view-cairo.hh:32:
../util/helper-cairo.hh:102:7: warning: variable 'cairo_face' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
if (use_hb_draw)
^~~~~~~~~~~
../util/helper-cairo.hh:129:64: note: uninitialized use occurs here
cairo_scaled_font_t *scaled_font = cairo_scaled_font_create (cairo_face,
^~~~~~~~~~
../util/helper-cairo.hh:102:3: note: remove the 'if' if its condition is always true
if (use_hb_draw)
^~~~~~~~~~~~~~~~
../util/helper-cairo.hh:101:32: note: initialize the variable 'cairo_face' to silence this warning
cairo_font_face_t *cairo_face;
^
= nullptr
We know that cairo_face will always be assigned since use_hb_draw will
always be true, but the compiler does not know that.