Hi! Working virtually out of Beaker Island.
We already implement expansion statements that way, the following patch just adds a testcase for it. Tested on x86_64-linux and i686-linux, ok for trunk? 2025-11-17 Jakub Jelinek <[email protected]> * g++.dg/DRs/dr3045.C: New test. --- gcc/testsuite/g++.dg/DRs/dr3045.C.jj 2025-11-17 10:46:18.284503308 +0100 +++ gcc/testsuite/g++.dg/DRs/dr3045.C 2025-11-17 10:46:52.132049586 +0100 @@ -0,0 +1,16 @@ +// DR 3045 - Regularizing environment interactions of expansion statement +// { dg-do compile { target c++11 } } +// { dg-options "" } + +void +foo () +{ + static constexpr int arr[] = { 1, 2, 3 }; + for (auto g : arr) { // { dg-message "'int g' previously declared here" } + int g = 42; // { dg-error "redeclaration of 'int g'" } + } + template for (auto x : arr) { // { dg-warning "'template for' only available with" "" { target c++23_down } } + // { dg-message "'int x' previously declared here" "" { target *-*-* } .-1 } + int x = 42; // { dg-error "redeclaration of 'int x'" } + } +} Jakub
