Stop using IJ's maps in graph implementation of JPS

(cherry picked from commit 6f3204d)
JetBrains · Nov 20, 2023 · f559dd5 · f559dd5
1 parent 363b05b
commit f559dd5
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/targets/KotlinJvmModuleBuildTarget.kt b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/targets/KotlinJvmModuleBuildTarget.kt
@@ -381,6 +381,9 @@ class KotlinJvmModuleBuildTarget(kotlinContext: KotlinCompileContext, jpsModuleB
             val className = generatedClass.outputClass.className
             if (!cache.isMultifileFacade(className)) return emptySet()
 
+            // In case of graph implementation of JPS
+            if (previousMappings == null) return emptySet()
+
             val name = previousMappings.getName(className.internalName)
             return previousMappings.getClassSources(name).toSet()
         }