mirrors/llvm-project
0
0
Fork 0
mirror of https://github.com/llvm/llvm-project.git synced 2025-04-18 12:16:49 +00:00
Code Issues Projects Releases Wiki Activity

[C++20][Modules][Serialization] Add an additional test case for #120277. (#126349)

Browse Source 
4b35dd57b8
was shipped to address https://github.com/llvm/llvm-project/issues/120277 .

It was thought to be a regression in 19.x according to this comment:
https://github.com/llvm/llvm-project/issues/120277#issuecomment-2558991129

This is a test case that fails even in 17.x but nevertheless is also
fixed by: 4b35dd57b8
This commit is contained in:
Michael Park 2025-02-08 22:29:23 -08:00 committed by GitHub
parent 7c60725fcf
commit 59cbe2ff59
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
1 changed files with 66 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

66
clang/test/Modules/pr120277-2.cpp Normal file
View File

@ -0,0 +1,66 @@
// RUN: rm -rf %t
// RUN: mkdir -p %t
// RUN: split-file %s %t
// RUN: %clang_cc1 -std=c++20 -emit-header-unit -xc++-user-header %t/hu-01.h \
// RUN: -o %t/hu-01.pcm
// RUN: %clang_cc1 -std=c++20 -emit-header-unit -xc++-user-header %t/hu-02.h \
// RUN: -Wno-experimental-header-units -fmodule-file=%t/hu-01.pcm -o %t/hu-02.pcm
// RUN: %clang_cc1 -std=c++20 -emit-header-unit -xc++-user-header %t/hu-03.h \
// RUN: -Wno-experimental-header-units \
// RUN: -fmodule-file=%t/hu-01.pcm -o %t/hu-03.pcm
// RUN: %clang_cc1 -std=c++20 -emit-header-unit -xc++-user-header %t/hu-04.h \
// RUN: -Wno-experimental-header-units -fmodule-file=%t/hu-02.pcm \
// RUN: -fmodule-file=%t/hu-03.pcm -o %t/hu-04.pcm
// RUN: %clang_cc1 -std=c++20 -emit-obj %t/main.cpp \
// RUN: -Wno-experimental-header-units -fmodule-file=%t/hu-04.pcm
//--- hu-01.h
template <typename T>
struct A {
~A() { f(); }
auto f() const { return 0; }
};
template <typename T>
struct B {
int g() const { return a.f(); }
A<T> a;
};
//--- hu-02.h
import "hu-01.h";
template <typename = void>
struct C {
void h() {
B<int>().g();
}
};
template struct A<double>;
//--- hu-03.h
import "hu-01.h";
inline B<int> b() {
return {};
}
//--- hu-04.h
import "hu-02.h";
import "hu-03.h";
inline void f4() {
C{}.h();
}
//--- main.cpp
import "hu-04.h";
int main() {
f4();
}