[clang][sema] Add missing diagnostic parameter

The test case otherwise fails an assertion in Diagnostic::getArgKind(). Differential Revision: https://reviews.llvm.org/D116595
llvm · Jan 24, 2022 · ba84578 · ba84578
1 parent 9aaa74a
commit ba84578
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/clang/lib/Sema/SemaModule.cpp b/clang/lib/Sema/SemaModule.cpp
@@ -395,7 +395,7 @@ DeclResult Sema::ActOnModuleImport(SourceLocation StartLoc,
     // [module.interface]p1:
     // An export-declaration shall inhabit a namespace scope and appear in the
     // purview of a module interface unit.
-    Diag(ExportLoc, diag::err_export_not_in_module_interface);
+    Diag(ExportLoc, diag::err_export_not_in_module_interface) << 0;
   }
 
   return Import;

diff --git a/clang/test/Modules/cxx20-export-import.cpp b/clang/test/Modules/cxx20-export-import.cpp
@@ -0,0 +1,3 @@
+
+// RUN: %clang_cc1 -std=c++20 -fmodules -fmodules-cache-path=%t -fimplicit-module-maps -I%S/Inputs -verify %s
+export import dummy; // expected-error {{export declaration can only be used within a module interface unit after the module declaration}}