Reproduced on Windows 7, Inkscape 0.92.1 (64-bit official devlibs) and lp:inkscape rev. 15608 (32 and 64-bit MSYS2 devlibs). Not reproduced with 0.91 (32 and 64-bit official devlibs) and lp:inkscape/0.92.x rev. 15412 (32-bit official devlibs).
Reproduced on Windows 7, Inkscape 0.92.1 (64-bit official devlibs) and lp:inkscape rev. 15608 (32 and 64-bit MSYS2 devlibs).
Not reproduced with 0.91 (32 and 64-bit official devlibs) and lp:inkscape/0.92.x rev. 15412 (32-bit official devlibs).