diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp index a97db90518ac7..3587326e0e581 100644 --- a/clang/lib/Driver/ToolChains/Clang.cpp +++ b/clang/lib/Driver/ToolChains/Clang.cpp @@ -6588,7 +6588,7 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, // support by default, or just assume that all languages do. bool HaveModules = Std && (Std->containsValue("c++2a") || Std->containsValue("c++20") || - Std->containsValue("c++latest")); + Std->containsValue("c++2b") || Std->containsValue("c++latest")); RenderModulesOptions(C, D, Args, Input, Output, CmdArgs, HaveModules); if (Args.hasFlag(options::OPT_fpch_validate_input_files_content, diff --git a/clang/test/Driver/modules-fprebuilt-mdoule-path.cpp b/clang/test/Driver/modules-fprebuilt-mdoule-path.cpp new file mode 100644 index 0000000000000..a2c830bfda00b --- /dev/null +++ b/clang/test/Driver/modules-fprebuilt-mdoule-path.cpp @@ -0,0 +1,7 @@ +// RUN: %clang -std=c++2a -fprebuilt-module-path=. -### -c %s 2>&1 | FileCheck %s +// RUN: %clang -std=c++20 -fprebuilt-module-path=. -### -c %s 2>&1 | FileCheck %s +// RUN: %clang -std=c++2b -fprebuilt-module-path=. -### -c %s 2>&1 | FileCheck %s +// RUN: %clang -std=c++latest -fprebuilt-module-path=. -### -c %s 2>&1 | FileCheck %s +// +// CHECK-NOT: warning: argument unused during compilation +// CHECK: -fprebuilt-module-path=.