diff --git a/lib/ClangImporter/ClangModuleDependencyScanner.cpp b/lib/ClangImporter/ClangModuleDependencyScanner.cpp
index cea3f120bdd..a0600cffa06 100644
--- a/lib/ClangImporter/ClangModuleDependencyScanner.cpp
+++ b/lib/ClangImporter/ClangModuleDependencyScanner.cpp
@@ -238,7 +238,7 @@ void ClangImporter::recordModuleDependencies(
         clangModuleDep.IncludeTreeID ? *clangModuleDep.IncludeTreeID : "";
 
     if (ctx.ClangImporterOpts.CASOpts) {
-      swiftArgs.push_back("-enable-cas");
+      swiftArgs.push_back("-cache-compile-job");
       if (!ctx.ClangImporterOpts.CASOpts->CASPath.empty()) {
         swiftArgs.push_back("-cas-path");
         swiftArgs.push_back(ctx.ClangImporterOpts.CASOpts->CASPath);
@@ -345,7 +345,7 @@ void ClangImporter::recordBridgingHeaderOptions(
   llvm::for_each(clangArgs, addClangArg);
 
   if (ctx.ClangImporterOpts.CASOpts) {
-    swiftArgs.push_back("-enable-cas");
+    swiftArgs.push_back("-cache-compile-job");
     if (!ctx.ClangImporterOpts.CASOpts->CASPath.empty()) {
       swiftArgs.push_back("-cas-path");
       swiftArgs.push_back(ctx.ClangImporterOpts.CASOpts->CASPath);
diff --git a/lib/DependencyScan/ScanDependencies.cpp b/lib/DependencyScan/ScanDependencies.cpp
index b10180b8f54..43b1542eb54 100644
--- a/lib/DependencyScan/ScanDependencies.cpp
+++ b/lib/DependencyScan/ScanDependencies.cpp
@@ -1016,20 +1016,6 @@ static void writeJSON(llvm::raw_ostream &out,
                              5,
                              /*trailingComma=*/true);
         out.indent(5 * 2);
-        out << "\"commandLine\": [\n";
-        for (int i = 0, count = swiftTextualDeps->command_line->count;
-             i < count; ++i) {
-          const auto &arg =
-              get_C_string(swiftTextualDeps->command_line->strings[i]);
-          out.indent(6 * 2);
-          out << "\"" << quote(arg) << "\"";
-          if (i != count - 1)
-            out << ",";
-          out << "\n";
-        }
-        out.indent(5 * 2);
-        out << "],\n";
-        out.indent(5 * 2);
         out << "\"compiledModuleCandidates\": [\n";
         for (int i = 0,
                  count = swiftTextualDeps->compiled_module_candidates->count;
@@ -1045,6 +1031,20 @@ static void writeJSON(llvm::raw_ostream &out,
         out.indent(5 * 2);
         out << "],\n";
       }
+      out.indent(5 * 2);
+      out << "\"commandLine\": [\n";
+      for (int i = 0, count = swiftTextualDeps->command_line->count; i < count;
+           ++i) {
+        const auto &arg =
+            get_C_string(swiftTextualDeps->command_line->strings[i]);
+        out.indent(6 * 2);
+        out << "\"" << quote(arg) << "\"";
+        if (i != count - 1)
+          out << ",";
+        out << "\n";
+      }
+      out.indent(5 * 2);
+      out << "],\n";
       bool hasBridgingHeaderPath =
           swiftTextualDeps->bridging_header_path.data &&
           get_C_string(swiftTextualDeps->bridging_header_path)[0] != '\0';
diff --git a/lib/Frontend/ModuleInterfaceLoader.cpp b/lib/Frontend/ModuleInterfaceLoader.cpp
index 7d4e311dc5a..ea3f90f4154 100644
--- a/lib/Frontend/ModuleInterfaceLoader.cpp
+++ b/lib/Frontend/ModuleInterfaceLoader.cpp
@@ -1604,7 +1604,7 @@ void InterfaceSubContextDelegateImpl::inheritOptionsForBuildingInterface(
   if (clangImporterOpts.CASOpts) {
     genericSubInvocation.getClangImporterOptions().CASOpts =
         clangImporterOpts.CASOpts;
-    GenericArgs.push_back("-enable-cas");
+    GenericArgs.push_back("-cache-compile-job");
     if (!clangImporterOpts.CASOpts->CASPath.empty()) {
       GenericArgs.push_back("-cas-path");
       GenericArgs.push_back(clangImporterOpts.CASOpts->CASPath);
diff --git a/test/CAS/module_deps.swift b/test/CAS/module_deps.swift
index e7bbdb39797..90d92fd74f9 100644
--- a/test/CAS/module_deps.swift
+++ b/test/CAS/module_deps.swift
@@ -66,7 +66,8 @@ import SubE
 // CHECK-DAG:     "swift": "_Concurrency"
 // CHECK-DAG:     "swift": "_cross_import_E"
 // CHECK: ],
-
+// CHECK:      "commandLine":
+// CHECK:      "casFSRootID":
 // CHECK:      "extraPcmArgs": [
 // CHECK-NEXT:    "-Xcc",
 // CHECK-NEXT:    "-target",
@@ -124,6 +125,8 @@ import SubE
 // CHECK: "commandLine": [
 // CHECK: "-compile-module-from-interface"
 // CHECK: "-target"
+// CHECK: "-cache-compile-job"
+// CHECK: "-cas-path"
 // CHECK: "-module-name"
 // CHECK: "G"
 // CHECK: "-swift-version"
diff --git a/test/CAS/module_deps_include_tree.swift b/test/CAS/module_deps_include_tree.swift
index 75231ed9e33..cca45e28b85 100644
--- a/test/CAS/module_deps_include_tree.swift
+++ b/test/CAS/module_deps_include_tree.swift
@@ -119,6 +119,8 @@ import SubE
 // CHECK: "commandLine": [
 // CHECK: "-compile-module-from-interface"
 // CHECK: "-target"
+// CHECK: "-cache-compile-job"
+// CHECK: "-cas-path"
 // CHECK: "-module-name"
 // CHECK: "G"
 // CHECK: "-swift-version"
diff --git a/test/ModuleInterface/clang-session-transitive.swift b/test/ModuleInterface/clang-session-transitive.swift
index bc4ac51f7da..345e71f7798 100644
--- a/test/ModuleInterface/clang-session-transitive.swift
+++ b/test/ModuleInterface/clang-session-transitive.swift
@@ -33,6 +33,9 @@ import TestModule
  // CHECK-NEXT:        "swift": {
  // CHECK-NEXT:          "moduleInterfacePath": 
  // CHECK-NEXT:          "contextHash":
+ // CHECK-NEXT:          "compiledModuleCandidates": [
+ // CHECK-NEXT:            TestModule.swiftmodule
+ // CHECK-NEXT:          ],
  // CHECK-NEXT:          "commandLine": [
  // CHECK-NEXT:            "-frontend",
  // CHECK-NEXT:            "-compile-module-from-interface",
diff --git a/test/ModuleInterface/extension-transitive-availability.swift b/test/ModuleInterface/extension-transitive-availability.swift
index aebbae9b9af..4c9bb681530 100644
--- a/test/ModuleInterface/extension-transitive-availability.swift
+++ b/test/ModuleInterface/extension-transitive-availability.swift
@@ -42,6 +42,8 @@ func foo() {
 // CHECK-NEXT:        "swift": {
 // CHECK-NEXT:          "moduleInterfacePath": 
 // CHECK-NEXT:          "contextHash":
+// CHECK-NEXT:          "compiledModuleCandidates": [
+// CHECK-NEXT:          ],
 // CHECK-NEXT:          "commandLine": [
 // CHECK-NEXT:            "-frontend",
 // CHECK-NEXT:            "-compile-module-from-interface",