[librsvg: 2/2] Merge branch 'pattern-cycles' into 'main'

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

commit b4c581a1a5c64f107180b5de9f794671f3e82d31
Merge: c5d0eb679 b51a39321
Author: Marge Bot <marge-bot gnome org>
Date:   Mon Mar 14 18:38:26 2022 +0000

    Merge branch 'pattern-cycles' into 'main'
    
    (#721): Catch circular references when drawing patterns
    
    Closes #721
    
    See merge request GNOME/librsvg!679

 src/drawing_ctx.rs                                 | 27 ++++++++++++++--------
 src/pattern.rs                                     | 19 +++++++++++++--
 .../render-crash/721-pattern-cycle-from-child.svg  |  7 ++++++
 .../721-pattern-cycle-from-other-child.svg         | 10 ++++++++
 4 files changed, 52 insertions(+), 11 deletions(-)
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