Author: Timm Bäder Date: 2024-06-11T13:28:23+02:00 New Revision: 424188abe4956d51c852668d206dfc9919290fbf
URL: https://github.com/llvm/llvm-project/commit/424188abe4956d51c852668d206dfc9919290fbf DIFF: https://github.com/llvm/llvm-project/commit/424188abe4956d51c852668d206dfc9919290fbf.diff LOG: [clang][Interp][test] Add test for void* diagnostics changes Added: clang/test/AST/Interp/cxx26.cpp Modified: clang/test/AST/Interp/cxx23.cpp Removed: ################################################################################ diff --git a/clang/test/AST/Interp/cxx23.cpp b/clang/test/AST/Interp/cxx23.cpp index 1efd784abbbe8..d0991f3ffdff5 100644 --- a/clang/test/AST/Interp/cxx23.cpp +++ b/clang/test/AST/Interp/cxx23.cpp @@ -1,6 +1,6 @@ // UNSUPPORTED: target={{.*}}-zos{{.*}} -// RUN: %clang_cc1 -std=c++20 -fsyntax-only -fcxx-exceptions -verify=ref20,all,all20 %s -// RUN: %clang_cc1 -std=c++23 -fsyntax-only -fcxx-exceptions -verify=ref23,all %s +// RUN: %clang_cc1 -std=c++20 -fsyntax-only -fcxx-exceptions -verify=ref,ref20,all,all20 %s +// RUN: %clang_cc1 -std=c++23 -fsyntax-only -fcxx-exceptions -verify=ref,ref23,all %s // RUN: %clang_cc1 -std=c++20 -fsyntax-only -fcxx-exceptions -verify=expected20,all,all20 %s -fexperimental-new-constant-interpreter // RUN: %clang_cc1 -std=c++23 -fsyntax-only -fcxx-exceptions -verify=expected23,all %s -fexperimental-new-constant-interpreter @@ -200,3 +200,15 @@ namespace UndefinedThreeWay { static_assert(!(*test_a_threeway)(A(), A())); // all-error {{static assertion expression is not an integral constant expression}} \ // all-note {{undefined function 'operator<=>' cannot be used in a constant expression}} } + +/// FIXME: The new interpreter is missing the "initializer of q is not a constant expression" diagnostics.a +/// That's because the cast from void* to int* is considered fine, but diagnosed. So we don't consider +/// q to be uninitialized. +namespace VoidCast { + constexpr void* p = nullptr; + constexpr int* q = static_cast<int*>(p); // all-error {{must be initialized by a constant expression}} \ + // all-note {{cast from 'void *' is not allowed in a constant expression}} \ + // ref-note {{declared here}} + static_assert(q == nullptr); // ref-error {{not an integral constant expression}} \ + // ref-note {{initializer of 'q' is not a constant expression}} +} diff --git a/clang/test/AST/Interp/cxx26.cpp b/clang/test/AST/Interp/cxx26.cpp new file mode 100644 index 0000000000000..0b0e2b21e8201 --- /dev/null +++ b/clang/test/AST/Interp/cxx26.cpp @@ -0,0 +1,10 @@ +// RUN: %clang_cc1 -std=c++26 -fsyntax-only -fcxx-exceptions -verify=ref,both %s +// RUN: %clang_cc1 -std=c++26 -fsyntax-only -fcxx-exceptions -verify=expected,both %s -fexperimental-new-constant-interpreter + +// both-no-diagnostics + +namespace VoidCast { + constexpr void* p = nullptr; + constexpr int* q = static_cast<int*>(p); + static_assert(q == nullptr); +} _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
