diff options
-rw-r--r-- | gcc/cp/pt.cc | 3 | ||||
-rw-r--r-- | gcc/testsuite/g++.dg/cpp1y/var-templ80.C | 22 | ||||
-rw-r--r-- | gcc/testsuite/g++.dg/cpp1y/var-templ81.C | 14 |
3 files changed, 38 insertions, 1 deletions
diff --git a/gcc/cp/pt.cc b/gcc/cp/pt.cc index 696233e..7fb3e75 100644 --- a/gcc/cp/pt.cc +++ b/gcc/cp/pt.cc @@ -10394,7 +10394,7 @@ lookup_and_finish_template_variable (tree templ, tree targs, complain &= ~tf_partial; var = finish_template_variable (var, complain); mark_used (var); - return convert_from_reference (var); + return var; } /* If the set of template parameters PARMS contains a template parameter @@ -20462,6 +20462,7 @@ tsubst_copy_and_build (tree t, { tree r = lookup_and_finish_template_variable (templ, targs, complain); + r = convert_from_reference (r); r = maybe_wrap_with_location (r, EXPR_LOCATION (t)); RETURN (r); } diff --git a/gcc/testsuite/g++.dg/cpp1y/var-templ80.C b/gcc/testsuite/g++.dg/cpp1y/var-templ80.C new file mode 100644 index 0000000..4439bee --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp1y/var-templ80.C @@ -0,0 +1,22 @@ +// PR c++/97340 +// { dg-do compile { target c++14 } } + +template<class> +struct A { + template<class> + static constexpr const int& var = 0; +}; + +template<class T> +struct B { + static constexpr int x1 = A<T>::template var<int>; + static constexpr int y1 = A<T>{}.template var<int>; + + static constexpr int x2 = A<int>::template var<T>; + static constexpr int y2 = A<int>{}.template var<T>; + + static constexpr int x3 = A<int>::template var<int>; + static constexpr int y3 = A<int>{}.template var<int>; +}; + +template struct B<int>; diff --git a/gcc/testsuite/g++.dg/cpp1y/var-templ81.C b/gcc/testsuite/g++.dg/cpp1y/var-templ81.C new file mode 100644 index 0000000..3efe779 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp1y/var-templ81.C @@ -0,0 +1,14 @@ +// Verify we don't ICE on an invalid dereference of a variable +// template-id of reference type. +// { dg-do compile { target c++14 } } + +template<class> +static constexpr const int& var = 0; + +template<class T> +struct B { + static constexpr int x = *var<T>; // { dg-error "argument of unary" } + static constexpr const int& y = *var<T>; // { dg-error "argument of unary" } +}; + +template struct B<int>; |