Move all Linux GCE bots to Debian

NOTREECHECKS:true
Bug: skia:
Change-Id: I612989c6ce2f309d2f70f896500f73e4baa971a7
Reviewed-on: https://skia-review.googlesource.com/19811
Commit-Queue: Eric Boren <borenet@google.com>
Reviewed-by: Eric Boren <borenet@google.com>
diff --git a/src/pathops/SkOpEdgeBuilder.cpp b/src/pathops/SkOpEdgeBuilder.cpp
index 120a503..c1224c3 100644
--- a/src/pathops/SkOpEdgeBuilder.cpp
+++ b/src/pathops/SkOpEdgeBuilder.cpp
@@ -306,7 +306,8 @@
                             split->fT[0] = splits[prior].fT[0];
                         }
                         int next = index;
-                        while (next < breaks && !splits[next + 1].fCanAdd) {
+                        int breakLimit = SkTMin(breaks, (int) SK_ARRAY_COUNT(splits) - 1);
+                        while (next < breakLimit && !splits[next + 1].fCanAdd) {
                             ++next;
                         }
                         if (next > index) {