[K/N] Do not make compdb depend on runtime building

Merge-request: KT-MR-6907
Merged-by: Alexander Shabalin <Alexander.Shabalin@jetbrains.com>

kotlin-native/build-tools/src/main/kotlin/org/jetbrains/kotlin/bitcode/CompileToBitcodePlugin.kt

@@ -113,7 +113,8 @@ open class CompileToBitcodeExtension @Inject constructor(val project: Project) {
                 directory.set(compileTask.compilerWorkingDirectory)
                 files.setFrom(compileTask.inputFiles)
                 arguments.set(args)
-                output.set(compileTask.outputFile.asFile.map { it.absolutePath })
+                // Only the location of output file matters, compdb does not depend on the compilation result.
+                output.set(compileTask.outputFile.locationOnly.map { it.asFile.absolutePath })
             }
         }
     }