sdk/lib/collection/splay_tree.dart - Issue 274563008: Fix bug in SplayTreeSet when removeWhere removes all elements.

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Unified Diff: sdk/lib/collection/splay_tree.dart

Issue 274563008: Fix bug in SplayTreeSet when removeWhere removes all elements. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart

Patch Set: Created 6 years, 7 months ago

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Index: sdk/lib/collection/splay_tree.dart

diff --git a/sdk/lib/collection/splay_tree.dart b/sdk/lib/collection/splay_tree.dart

index 4674f8c27c3bee32872ce8247044d723601088ce..8e2f5930eff58f4928cc88bcafc1996a6ecf6151 100644

--- a/sdk/lib/collection/splay_tree.dart

+++ b/sdk/lib/collection/splay_tree.dart

@@ -523,6 +523,7 @@ abstract class _SplayTreeIterator<T> implements Iterator<T> {

_SplayTreeIterator.startAt(_SplayTree tree, var startKey)

: _tree = tree,

_modificationCount = tree._modificationCount {

+ if (tree._root == null) return;

int compare = tree._splay(startKey);

_splayCount = tree._splayCount;

if (compare < 0) {

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