1 files changed, 8 insertions, 1 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/syntax/FuncallExpression.java b/src/main/java/com/google/devtools/build/lib/syntax/FuncallExpression.java
index 56da7abe9b..c4fd52e737 100644
--- a/src/main/java/com/google/devtools/build/lib/syntax/FuncallExpression.java
+++ b/src/main/java/com/google/devtools/build/lib/syntax/FuncallExpression.java
@@ -273,7 +273,14 @@ public final class FuncallExpression extends Expression {
       sb.append(obj).append(".");
     }
     sb.append(func);
-    Printer.printList(sb, args, "(", ", ", ")", /* singletonTerminator */ null);
+    String backup = sb.toString();
+    try {
+      Printer.printList(sb, args, "(", ", ", ")", /* singletonTerminator */ null);
+    } catch (OutOfMemoryError ex) {
+      // export_files might lead to an OOM error (e.g. when deserializing very large packages).
+      // TODO(bazel-dev): make the Printer limit its own output.
+      return backup + "(<too long>)";
+    }
     return sb.toString();
   }