diff options
Diffstat (limited to 'clang/test/Modules')
3 files changed, 53 insertions, 0 deletions
diff --git a/clang/test/Modules/Inputs/implicit-built-Werror-using-W/convert.h b/clang/test/Modules/Inputs/implicit-built-Werror-using-W/convert.h new file mode 100644 index 00000000000..0ed02bc793b --- /dev/null +++ b/clang/test/Modules/Inputs/implicit-built-Werror-using-W/convert.h @@ -0,0 +1,8 @@ +#ifdef USE_PRAGMA +#pragma clang diagnostic push +#pragma clang diagnostic warning "-Wshorten-64-to-32" +#endif +template <class T> int convert(T V) { return V; } +#ifdef USE_PRAGMA +#pragma clang diagnostic pop +#endif diff --git a/clang/test/Modules/Inputs/implicit-built-Werror-using-W/module.modulemap b/clang/test/Modules/Inputs/implicit-built-Werror-using-W/module.modulemap new file mode 100644 index 00000000000..825eb86038e --- /dev/null +++ b/clang/test/Modules/Inputs/implicit-built-Werror-using-W/module.modulemap @@ -0,0 +1,3 @@ +module convert { + header "convert.h" +} diff --git a/clang/test/Modules/implicit-built-Werror-using-W.cpp b/clang/test/Modules/implicit-built-Werror-using-W.cpp new file mode 100644 index 00000000000..9fb7a6bf0b0 --- /dev/null +++ b/clang/test/Modules/implicit-built-Werror-using-W.cpp @@ -0,0 +1,42 @@ +// Check that implicit modules builds give correct diagnostics, even when +// reusing a module built with strong -Werror flags. +// +// Clear the caches. +// RUN: rm -rf %t.cache %t-pragma.cache +// +// Build with -Werror, then with -W, and then with neither. +// RUN: not %clang_cc1 -triple x86_64-apple-darwin16 -fsyntax-only -fmodules \ +// RUN: -Werror=shorten-64-to-32 \ +// RUN: -I%S/Inputs/implicit-built-Werror-using-W -fimplicit-module-maps \ +// RUN: -fmodules-cache-path=%t.cache -x c++ %s 2>&1 \ +// RUN: | FileCheck %s -check-prefix=CHECK-ERROR +// RUN: %clang_cc1 -triple x86_64-apple-darwin16 -fsyntax-only -fmodules \ +// RUN: -Wshorten-64-to-32 \ +// RUN: -I%S/Inputs/implicit-built-Werror-using-W -fimplicit-module-maps \ +// RUN: -fdisable-module-hash \ +// RUN: -fmodules-cache-path=%t.cache -x c++ %s 2>&1 \ +// RUN: | FileCheck %s -check-prefix=CHECK-WARN +// RUN: %clang_cc1 -triple x86_64-apple-darwin16 -fsyntax-only -fmodules \ +// RUN: -I%S/Inputs/implicit-built-Werror-using-W -fimplicit-module-maps \ +// RUN: -fmodules-cache-path=%t.cache -x c++ %s 2>&1 \ +// RUN: | FileCheck %s -allow-empty +// +// In the presence of a warning pragma, build with -Werror and then without. +// RUN: not %clang_cc1 -triple x86_64-apple-darwin16 -fsyntax-only -fmodules \ +// RUN: -DUSE_PRAGMA -Werror=shorten-64-to-32 \ +// RUN: -I%S/Inputs/implicit-built-Werror-using-W -fimplicit-module-maps \ +// RUN: -fmodules-cache-path=%t-pragma.cache -x c++ %s 2>&1 \ +// RUN: | FileCheck %s -check-prefix=CHECK-ERROR +// RUN: %clang_cc1 -triple x86_64-apple-darwin16 -fsyntax-only -fmodules \ +// RUN: -DUSE_PRAGMA \ +// RUN: -I%S/Inputs/implicit-built-Werror-using-W -fimplicit-module-maps \ +// RUN: -fmodules-cache-path=%t-pragma.cache -x c++ %s 2>&1 \ +// RUN: | FileCheck %s -check-prefix=CHECK-WARN +#include <convert.h> + +long long foo() { return convert<long long>(0); } + +// CHECK-ERROR: error: implicit conversion +// CHECK-WARN: warning: implicit conversion +// CHECK-NOT: error: implicit conversion +// CHECK-NOT: warning: implicit conversion |
