C++: Add getSkylarkArgv to CppLinkAction

RELNOTES:none
PiperOrigin-RevId: 295591290

src/main/java/com/google/devtools/build/lib/rules/cpp/CppLinkAction.java

diff --git a/src/main/java/com/google/devtools/build/lib/rules/cpp/CppLinkAction.java b/src/main/java/com/google/devtools/build/lib/rules/cpp/CppLinkAction.java
index 58ef75e..4e7d1b9 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/cpp/CppLinkAction.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/cpp/CppLinkAction.java
@@ -53,6 +53,7 @@
 import com.google.devtools.build.lib.collect.CollectionUtils;
 import com.google.devtools.build.lib.collect.nestedset.NestedSet;
 import com.google.devtools.build.lib.concurrent.ThreadSafety.ThreadCompatible;
+import com.google.devtools.build.lib.events.Location;
 import com.google.devtools.build.lib.rules.cpp.Link.LinkingMode;
 import com.google.devtools.build.lib.rules.cpp.LinkerInputs.LibraryToLink;
 import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec;
@@ -573,4 +574,13 @@
       }
     }
   }
+
+  @Override
+  public Sequence<String> getSkylarkArgv() throws EvalException {
+    try {
+      return StarlarkList.immutableCopyOf(getArguments());
+    } catch (CommandLineExpansionException exception) {
+      throw new EvalException(Location.BUILTIN, exception);
+    }
+  }
 }