FormatWriter: fix rare but possible bug

scalameta · Oct 6, 2024 · 0e3a6ff · 0e3a6ff
1 parent 189629c
commit 0e3a6ff
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/scalafmt-core/shared/src/main/scala/org/scalafmt/internal/FormatWriter.scala b/scalafmt-core/shared/src/main/scala/org/scalafmt/internal/FormatWriter.scala
@@ -1171,7 +1171,9 @@ class FormatWriter(formatOps: FormatOps) {
             val ft = floc.formatToken
             idx += 1
             columnShift += floc.shift
-            if (floc.hasBreakAfter || ft.leftHasNewline) floc
+            if (
+              floc.hasBreakAfter || ft.leftHasNewline || idx >= locations.length
+            ) floc
             else {
               getAlignNonSlcOwner(ft, locations(idx)).foreach { nonSlcOwner =>
                 val (container, depth) =