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GrTessellator: add a null-check for a clusterfuzz test case.

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BUG=695696

Change-Id: I1c001316721b3c042cff115c905ff0d2c2698ac0
Reviewed-on: https://skia-review.googlesource.com/9053
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Stephen White <senorblanco@chromium.org>
This commit is contained in:
Stephen White 2017-03-02 16:16:33 -05:00 committed by Skia Commit-Bot
parent 373b538503
commit 90732fd36e
1 changed files with 1 additions and 1 deletions
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2
src/gpu/GrTessellator.cpp
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@ -793,7 +793,7 @@ void insert_edge(Edge* edge, Edge* prev, EdgeList* edges) {
}
void find_enclosing_edges(Vertex* v, EdgeList* edges, Edge** left, Edge** right) {
if (v->fFirstEdgeAbove) {
if (v->fFirstEdgeAbove && v->fLastEdgeAbove) {
*left = v->fFirstEdgeAbove->fLeft;
*right = v->fLastEdgeAbove->fRight;
return;