1// RUN: not %clang_cc1 -fmodules -fmodules-cache-path=%t -fmodule-map-file=%S/Inputs/diagnostics-aux.modulemap -fmodule-map-file=%s -fsyntax-only -x c++ /dev/null 2>&1 | FileCheck %s 2 3// PR22299: Ensure we can produce diagnostics for duplicate modules from -fmodule-map-file=. 4// 5// CHECK: diagnostics.modulemap:[[@LINE+2]]:8: error: redefinition of module 'foo' 6// CHECK: diagnostics-aux.modulemap:1:8: note: previously defined here 7module foo {} 8 9//* Check that we accept BCPL comments properly, not just as an extension. */ 10 11module bad_use { 12 // CHECK: diagnostics.modulemap:[[@LINE+1]]:22: error: use declarations are only allowed in top-level modules 13 module submodule { use foo } 14} 15