                                             moduleId: .swift("_Concurrency"),
                                             dependencyGraph: moduleDependencyGraph,
                                             pcmFileEncoder: pcmFileEncoder)
+          case .relative(RelativePath("_StringProcessing.swiftmodule")):
+            try checkExplicitModuleBuildJob(job: job, pcmArgs: pcmArgs,
+                                            moduleId: .swift("_StringProcessing"),
+                                            dependencyGraph: moduleDependencyGraph,
+                                            pcmFileEncoder: pcmFileEncoder)
           case .relative(RelativePath("SwiftOnoneSupport.swiftmodule")):
             try checkExplicitModuleBuildJob(job: job, pcmArgs: pcmArgs,
                                             moduleId: .swift("SwiftOnoneSupport"),

                                            pcmFileEncoder: pcmFileEncoder)
          } else if pathMatchesSwiftModule(path: outputFilePath, "_Concurrency") {
            try checkExplicitModuleBuildJob(job: job, pcmArgs: pcmArgsCurrent, moduleId: .swift("_Concurrency"),
                                            dependencyGraph: dependencyGraph,
                                            pcmFileEncoder: pcmFileEncoder)
          } else if pathMatchesSwiftModule(path: outputFilePath, "SwiftOnoneSupport") {

            try checkExplicitModuleBuildJob(job: job, pcmArgs: pcmArgsCurrent, moduleId: .swift("_Concurrency"),
                                            dependencyGraph: dependencyGraph,
                                            pcmFileEncoder: pcmFileEncoder)
          } else if pathMatchesSwiftModule(path: outputFilePath, "_StringProcessing") {
            try checkExplicitModuleBuildJob(job: job, pcmArgs: pcmArgsCurrent, moduleId: .swift("_StringProcessing"),
                                            dependencyGraph: dependencyGraph,
                                            pcmFileEncoder: pcmFileEncoder)
          } else if pathMatchesSwiftModule(path: outputFilePath, "SwiftOnoneSupport") {
            try checkExplicitModuleBuildJob(job: job, pcmArgs: pcmArgsCurrent, moduleId: .swift("SwiftOnoneSupport"),
                                            dependencyGraph: dependencyGraph,
