Return platform independent path in IncrementalCacheImpl::getClassFilePath

Fix ExperimentalIncrementalJpsTestGenerated.PureKotlin.testFunctionBecameInline on Windows.

jps-plugin/src/org/jetbrains/kotlin/jps/incremental/IncrementalCacheImpl.kt

@@ -18,6 +18,7 @@ package org.jetbrains.kotlin.jps.incremental
 
 import com.google.protobuf.MessageLite
 import com.intellij.openapi.util.io.FileUtil
+import com.intellij.openapi.util.io.FileUtil.toSystemIndependentName
 import com.intellij.util.io.BooleanDataDescriptor
 import com.intellij.util.io.EnumeratorStringDescriptor
 import com.intellij.util.io.IOUtil
@@ -137,7 +138,7 @@ public class IncrementalCacheImpl(
     }
 
     override fun getClassFilePath(internalClassName: String): String {
-        return File(outputDir, "$internalClassName.class").canonicalPath
+        return toSystemIndependentName(File(outputDir, "$internalClassName.class").canonicalPath)
     }
 
     public fun saveCacheFormatVersion() {

jps-plugin/test/org/jetbrains/kotlin/jps/build/ExperimentalIncrementalJpsTestGenerated.java

@@ -347,6 +347,12 @@ public class ExperimentalIncrementalJpsTestGenerated extends AbstractExperimenta
             doTest(fileName);
         }
 
+        @TestMetadata("inlinFunctionUsageAdded")
+        public void testInlinFunctionUsageAdded() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("jps-plugin/testData/incremental/pureKotlin/inlinFunctionUsageAdded/");
+            doTest(fileName);
+        }
+
         @TestMetadata("inlineFunctionRemoved")
         public void testInlineFunctionRemoved() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("jps-plugin/testData/incremental/pureKotlin/inlineFunctionRemoved/");

jps-plugin/test/org/jetbrains/kotlin/jps/build/IncrementalJpsTestGenerated.java

@@ -347,6 +347,12 @@ public class IncrementalJpsTestGenerated extends AbstractIncrementalJpsTest {
             doTest(fileName);
         }
 
+        @TestMetadata("inlinFunctionUsageAdded")
+        public void testInlinFunctionUsageAdded() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("jps-plugin/testData/incremental/pureKotlin/inlinFunctionUsageAdded/");
+            doTest(fileName);
+        }
+
         @TestMetadata("inlineFunctionRemoved")
         public void testInlineFunctionRemoved() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("jps-plugin/testData/incremental/pureKotlin/inlineFunctionRemoved/");

jps-plugin/testData/incremental/pureKotlin/inlinFunctionUsageAdded/build.log

@@ -0,0 +1,7 @@
+Cleaning output files:
+out/production/module/META-INF/module.kotlin_module
+out/production/module/UsageKt.class
+End of files
+Compiling files:
+src/usage.kt
+End of files

jps-plugin/testData/incremental/pureKotlin/inlinFunctionUsageAdded/foo.kt

@@ -0,0 +1,5 @@
+class A {
+    inline fun foo(f: () -> Unit) {
+        f()
+    }
+}

jps-plugin/testData/incremental/pureKotlin/inlinFunctionUsageAdded/usage.kt

@@ -0,0 +1,2 @@
+fun usage() {
+}

jps-plugin/testData/incremental/pureKotlin/inlinFunctionUsageAdded/usage.kt.new

@@ -0,0 +1,3 @@
+fun usage() {
+    A().foo {}
+}