Merge pull request #689 from davidungar/fix-double-spaces-in-remarks

[NFC] Remove double-spaces and add clarification to two incremental diagnostics

Author: David Ungar

Sources/SwiftDriver/IncrementalCompilation/IncrementalDependencyAndInputSetup.swift

@@ -165,7 +165,7 @@ extension IncrementalCompilationState {
         if let reporter = reporter {
           reporter.report(
             "Incremental compilation has been disabled, "
-              + " because  the following inputs were used in the previous compilation but not in this one: "
+              + "because the following inputs were used in the previous compilation but not in this one: "
               + sourceFiles.disappeared.map { $0.basename }.joined(separator: ", "))
         }
         return nil

Sources/SwiftDriver/IncrementalCompilation/ModuleDependencyGraph.swift

@@ -218,7 +218,7 @@ extension OutputFileMap {
     else {
       // The legacy driver fails silently here.
       diagnosticEngine.emit(
-        .remarkDisabled("\(sourceFile.file.basename) has no swiftDeps file")
+        .remarkDisabled("\(sourceFile.file.basename) has no swiftDeps file in the output file map")
       )
       return nil
     }