Fix whitespace issues

Author: philipturner

lib/Sema/TypeChecker.cpp

@@ -640,7 +640,7 @@ bool TypeChecker::diagnoseInvalidFunctionType(FunctionType *fnTy, SourceLoc loc,
       if (hasValidDifferentiabilityParam)
         diagnostic.fixItInsert(diagLoc, "@noDerivative ");
     }
-    
+
     // Reject the case where all parameters have '@noDerivative'.
     if (!alreadyDiagnosedOneParam && !hasValidDifferentiabilityParam) {
       auto diagLoc = repr ? (*repr)->getArgsTypeRepr()->getLoc() : loc;
@@ -659,20 +659,20 @@ bool TypeChecker::diagnoseInvalidFunctionType(FunctionType *fnTy, SourceLoc loc,
     bool resultIsDifferentiable =
         isDifferentiable(result, /*tangentVectorEqualsSelf*/ isLinear, dc,
         stage);
-    
+
     // Reject the case where there are multiple semantic results.
     if (resultIsDifferentiable && hasInoutDiffParameter) {
       auto diagLoc = repr ? (*repr)->getArgsTypeRepr()->getLoc() : loc;
       auto diag = ctx.Diags.diagnose(
           diagLoc,
           diag::differentiable_function_type_multiple_semantic_results);
       hadAnyError = true;
-      
+
       if (repr) {
         diag.highlight((*repr)->getSourceRange());
       }
     }
-    
+
     // Reject the case where there are no semantic results.
     if (!resultIsDifferentiable && !hasInoutDiffParameter) {
       auto diagLoc = repr ? (*repr)->getResultTypeRepr()->getLoc() : loc;
@@ -681,7 +681,7 @@ bool TypeChecker::diagnoseInvalidFunctionType(FunctionType *fnTy, SourceLoc loc,
           diagLoc, diag::differentiable_function_type_invalid_result, resultStr,
           isLinear);
       hadAnyError = true;
-      
+
       if (repr) {
           diag.highlight((*repr)->getResultTypeRepr()->getSourceRange());
       }