Add a CODEC for CppCompileAction.

PiperOrigin-RevId: 185733313

1 files changed, 4 insertions, 5 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/collect/CollectionUtils.java b/src/main/java/com/google/devtools/build/lib/collect/CollectionUtils.java
index 369ef52274..9198ba2ba7 100644
--- a/src/main/java/com/google/devtools/build/lib/collect/CollectionUtils.java
+++ b/src/main/java/com/google/devtools/build/lib/collect/CollectionUtils.java
@@ -13,7 +13,7 @@
 // limitations under the License.
 package com.google.devtools.build.lib.collect;
 
-import static com.google.common.collect.ImmutableList.toImmutableList;
+import static com.google.common.collect.ImmutableSet.toImmutableSet;
 import static java.util.stream.Collectors.toCollection;
 
 import com.google.common.base.Preconditions;
@@ -106,12 +106,11 @@ public final class CollectionUtils {
   }
 
   /**
-   * Returns an immutable list of all non-null parameters in the order in which
-   * they are specified.
+   * Returns an immutable set of all non-null parameters in the order in which they are specified.
    */
   @SuppressWarnings("unchecked")
-  public static <T> ImmutableList<T> asListWithoutNulls(T... elements) {
-    return Arrays.stream(elements).filter(Objects::nonNull).collect(toImmutableList());
+  public static <T> ImmutableSet<T> asSetWithoutNulls(T... elements) {
+    return Arrays.stream(elements).filter(Objects::nonNull).collect(toImmutableSet());
   }
 
   /**