Merge pull request #77216 from xedin/add-swift-compiler-version

[Frontend/AST] Add `-interface-compiler-version` option to frontend/modules

lib/Serialization/ModuleFileSharedCore.cpp

@@ -215,6 +215,9 @@ static bool readOptionsBlock(llvm::BitstreamCursor &cursor,
     case options_block::PUBLIC_MODULE_NAME:
       extendedInfo.setPublicModuleName(blobData);
       break;
+    case options_block::SWIFT_INTERFACE_COMPILER_VERSION:
+      extendedInfo.setSwiftInterfaceCompilerVersion(blobData);
+      break;
     default:
       // Unknown options record, possibly for use by a future version of the
       // module format.
@@ -1497,6 +1500,8 @@ ModuleFileSharedCore::ModuleFileSharedCore(
       ModulePackageName = extInfo.getModulePackageName();
       ModuleExportAsName = extInfo.getExportAsName();
       PublicModuleName = extInfo.getPublicModuleName();
+      SwiftInterfaceCompilerVersion =
+          extInfo.getSwiftInterfaceCompilerVersion();
 
       hasValidControlBlock = true;
       break;