Rename generated core classes during core library desugaring

RELNOTES: None.

PiperOrigin-RevId: 184915177
GitOrigin-RevId: 154317e1269b1925722754291a8c7181ccd005f6
Change-Id: I2974e07e3154ec481579cb191c48bc2f8d0af06f

1 files changed, 8 insertions, 1 deletions

diff --git a/java/com/google/devtools/build/android/desugar/CoreLibrarySupport.java b/java/com/google/devtools/build/android/desugar/CoreLibrarySupport.java
index 56e5f18..c6fd0b4 100644
--- a/java/com/google/devtools/build/android/desugar/CoreLibrarySupport.java
+++ b/java/com/google/devtools/build/android/desugar/CoreLibrarySupport.java
@@ -56,7 +56,14 @@ class CoreLibrarySupport {
 
   public boolean isRenamedCoreLibrary(String internalName) {
     String unprefixedName = rewriter.unprefix(internalName);
-    return renamedPrefixes.stream().anyMatch(prefix -> unprefixedName.startsWith(prefix));
+    if (!unprefixedName.startsWith("java/")) {
+      return false; // shortcut
+    }
+    // Rename any classes desugar might generate under java/ (for emulated interfaces) as well as
+    // configured prefixes
+    return unprefixedName.contains("$$Lambda$")
+        || unprefixedName.endsWith("$$CC")
+        || renamedPrefixes.stream().anyMatch(prefix -> unprefixedName.startsWith(prefix));
   }
 
   public String renameCoreLibrary(String internalName) {