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From: "hiraditya at msn dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/109017] ICE on unexpanded pack from C++20 explicit-template-parameter lambda syntax Date: Sat, 04 Mar 2023 16:22:45 +0000 [thread overview] Message-ID: <bug-109017-4-1peIasD9Nr@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-109017-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109017 AK <hiraditya at msn dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |hiraditya at msn dot com --- Comment #1 from AK <hiraditya at msn dot com> --- Example from twitter: https://twitter.com/seanbax/status/1631689332007337985 which had discussion on similar bug. ``` template<int... Is> struct outer1_t { void g() { // Compiles for mysterious reasons. int array[] { []<int... Is2>(){ int i = Is2; return i; }.template operator()<Is>() ... }; } }; int main() { // Compiles OKAY when this is commented out. // ICEs when it's compiled. outer1_t<1, 5, 10>().g(); } ``` clang issues a compiler error: https://godbolt.org/z/7f6E55svM ``` <source>:6:15: error: initializer contains unexpanded parameter pack 'Is2' int i = Is2; ```
next prev parent reply other threads:[~2023-03-04 16:22 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-03-03 20:51 [Bug c++/109017] New: " arthur.j.odwyer at gmail dot com 2023-03-04 16:22 ` hiraditya at msn dot com [this message] 2023-03-06 8:28 ` [Bug c++/109017] " rguenth at gcc dot gnu.org 2023-03-07 14:53 ` [Bug c++/109017] ICE on unexpanded pack from C++20 explicit-template-parameter lambda syntax since r8-7648-g8859913ea3cbefdc marxin at gcc dot gnu.org
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