Elegantly handle unbounded file symlink resolutions, e.g. 'a' -> 'b' -> 'a/nope'.

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MOS_MIGRATED_REVID=99337668

src/main/java/com/google/devtools/build/lib/skyframe/SkyFunctions.java

diff --git a/src/main/java/com/google/devtools/build/lib/skyframe/SkyFunctions.java b/src/main/java/com/google/devtools/build/lib/skyframe/SkyFunctions.java
index b6944c5..f8d8feb 100644
--- a/src/main/java/com/google/devtools/build/lib/skyframe/SkyFunctions.java
+++ b/src/main/java/com/google/devtools/build/lib/skyframe/SkyFunctions.java
@@ -26,7 +26,9 @@
   public static final SkyFunctionName DIRECTORY_LISTING_STATE =
       SkyFunctionName.create("DIRECTORY_LISTING_STATE");
   public static final SkyFunctionName FILE_SYMLINK_CYCLE_UNIQUENESS =
-      SkyFunctionName.create("FILE_SYMLINK_CYCLE_UNIQUENESS_NODE");
+      SkyFunctionName.create("FILE_SYMLINK_CYCLE_UNIQUENESS");
+  public static final SkyFunctionName FILE_SYMLINK_INFINITE_EXPANSION_UNIQUENESS =
+      SkyFunctionName.create("FILE_SYMLINK_INFINITE_EXPANSION_UNIQUENESS");
   public static final SkyFunctionName FILE = SkyFunctionName.create("FILE");
   public static final SkyFunctionName DIRECTORY_LISTING =
       SkyFunctionName.create("DIRECTORY_LISTING");