https://github.com/usx95 created https://github.com/llvm/llvm-project/pull/227251
None >From d1851e9c2892d8b675d0931ac2666f207852a448 Mon Sep 17 00:00:00 2001 From: Utkarsh Saxena <[email protected]> Date: Tue, 29 Sep 2026 10:04:01 +0000 Subject: [PATCH] negative-test-capture-by --- clang/test/Sema/LifetimeSafety/safety.cpp | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/clang/test/Sema/LifetimeSafety/safety.cpp b/clang/test/Sema/LifetimeSafety/safety.cpp index fb91fb30713db..cd16a4d723f84 100644 --- a/clang/test/Sema/LifetimeSafety/safety.cpp +++ b/clang/test/Sema/LifetimeSafety/safety.cpp @@ -4099,6 +4099,28 @@ struct Helper { }; } // namespace off_by_one_crash +// FIXME(GH227246): Support capture_by_this on constructors without inference of lifetimebound. +namespace constructor_test { +struct Item {}; + +struct Container { + const Item* saved; + Container() = default; + Container(const Item& item [[clang::lifetime_capture_by_this]]) { + saved = &item; + } +}; + +void test() { + Container c; + { + Item item; + c = Container(item); // tu-warning {{local variable 'item' does not live long enough}} + } // tu-note {{local variable 'item' is destroyed here}} + use(c); // tu-note {{later used here}} +} +} // namespace constructor_test + struct [[gsl::Pointer()]] PtrWithInt { int x; }; PtrWithInt f() { return PtrWithInt{10}; _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
