[librsvg: 4/4] Merge branch 'non-image-surface-without-filters' into 'master'

[Marge Bot <marge-bot src gnome org>]

commit 2c87078c674ba15f90c578aaecc331b6aced92d1
Merge: 4ceefafb e8f8d153
Author: Marge Bot <marge-bot gnome org>
Date:   Thu Jun 24 19:43:30 2021 +0000

    Merge branch 'non-image-surface-without-filters' into 'master'
    
    (#758): Panic when rendering with masks or opacity to a non-image surface
    
    Closes #758
    
    See merge request GNOME/librsvg!553

 src/drawing_ctx.rs | 173 ++++++++++++++++++++++++++---------------------------
 tests/src/bugs.rs  |  44 ++++++++++++++
 2 files changed, 129 insertions(+), 88 deletions(-)
---