commit 59381cd8d0c18b19a11256cfa1ca625f17ccf09c
author Konstantin Shcheglov <scheglov@google.com> Mon May 20 16:58:12 2019 +0000
committer Konstantin Shcheglov <scheglov@google.com> Mon May 20 16:58:12 2019 +0000
tree 3e64244c3aab5f2c2f5485d61be4b743d8aed256
parent 59bcb38db7a32af84c2ae131dac8c4798769995c

Fix summary2 linking when using API summaries, which don't include line starts.

R=brianwilkerson@google.com, paulberry@google.com

Change-Id: Iee403b154e4ca546ee69ae7cf0a8764d48ac7d34
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/103081
Reviewed-by: Paul Berry <paulberry@google.com>

pkg/analyzer/lib/src/summary2/linked_unit_context.dart

diff --git a/pkg/analyzer/lib/src/summary2/linked_unit_context.dart b/pkg/analyzer/lib/src/summary2/linked_unit_context.dart
index 2abe4c3..320f151 100644
--- a/pkg/analyzer/lib/src/summary2/linked_unit_context.dart
+++ b/pkg/analyzer/lib/src/summary2/linked_unit_context.dart
@@ -92,7 +92,12 @@
   CompilationUnit get unit_withDeclarations {
     if (_unit == null) {
       _unit = _astReader.readNode(data.node);
-      _unit.lineInfo = LineInfo(data.lineStarts);
+
+      var lineStarts = data.lineStarts;
+      if (lineStarts.isEmpty) {
+        lineStarts = [0];
+      }
+      _unit.lineInfo = LineInfo(lineStarts);
     }
     return _unit;
   }