| // Tests that the compiler won't crash due to the consteval constructor. |
| // |
| // REQUIRES: x86-registered-target |
| // |
| // RUN: rm -rf %t |
| // RUN: mkdir -p %t |
| // RUN: split-file %s %t |
| // |
| // RUN: %clang_cc1 -triple=x86_64-linux-gnu -std=c++20 -emit-module-interface %t/m.cppm -o %t/m.pcm |
| // RUN: %clang_cc1 -triple=x86_64-linux-gnu -std=c++20 %t/m.pcm -emit-llvm -o - | FileCheck %t/m.cppm |
| |
| //--- m.cppm |
| module; |
| #include "fail.h" |
| export module mymodule; |
| |
| // CHECK: @.str = {{.*}}"{}\00" |
| // CHECK: store{{.*}}ptr @.str |
| |
| //--- fail.h |
| namespace std { |
| |
| template<class _CharT> |
| class basic_string_view { |
| public: |
| constexpr basic_string_view(const _CharT* __s) |
| : __data_(__s) {} |
| |
| private: |
| const _CharT* __data_; |
| }; |
| |
| template <class _CharT> |
| struct basic_format_string { |
| template <class _Tp> |
| consteval basic_format_string(const _Tp& __str) : __str_{__str} { |
| } |
| |
| private: |
| basic_string_view<_CharT> __str_; |
| }; |
| } |
| |
| auto this_fails() -> void { |
| std::basic_format_string<char> __fmt("{}"); |
| } |