1 files changed, 1 insertions, 1 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/rules/cpp/CcToolchainFeatures.java b/src/main/java/com/google/devtools/build/lib/rules/cpp/CcToolchainFeatures.java
index ca464d2a1b..bf9e7c5367 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/cpp/CcToolchainFeatures.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/cpp/CcToolchainFeatures.java
@@ -1150,7 +1150,7 @@ public class CcToolchainFeatures implements Serializable {
        * Add a variable that expands a flag group containing a reference to {@code name} for each
        * entry in {@code values}.
        */
-      public Builder addSequenceVariable(String name, Collection<String> values) {
+      public Builder addSequenceVariable(String name, Iterable<String> values) {
         StringSequence.Builder sequenceBuilder = new StringSequence.Builder();
         for (String value : values) {
           sequenceBuilder.addValue(value);