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| author | Jason Merrill <jason@redhat.com> | 2018-05-08 22:08:52 -0400 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2018-05-08 22:08:52 -0400 |
| commit | 655b16da125b1210096b2f394ba0f222631fb44b (patch) | |
| tree | 2ef60e2d4df2148fc0df8ab3e39ea8ace4d624cf /gcc/testsuite/g++.dg | |
| parent | 6f9a76b1a1937ca399a79515005dc0dad97f694c (diff) | |
| download | gcc-655b16da125b1210096b2f394ba0f222631fb44b.zip gcc-655b16da125b1210096b2f394ba0f222631fb44b.tar.gz gcc-655b16da125b1210096b2f394ba0f222631fb44b.tar.bz2 | |
PR c++/85706 - class deduction under decltype
* pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE. Clear
*walk_subtrees whether or not we walked into the operand.
(type_uses_auto): Only look at deduced contexts.
From-SVN: r260066
Diffstat (limited to 'gcc/testsuite/g++.dg')
| -rw-r--r-- | gcc/testsuite/g++.dg/concepts/class-deduction2.C | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/concepts/class-deduction2.C b/gcc/testsuite/g++.dg/concepts/class-deduction2.C new file mode 100644 index 0000000..286e59a --- /dev/null +++ b/gcc/testsuite/g++.dg/concepts/class-deduction2.C @@ -0,0 +1,9 @@ +// PR c++/85706 +// { dg-additional-options "-std=c++17 -fconcepts" } + +template<class T> struct S { + S(T); +}; + +template<class = void> +auto f() -> decltype(S(42)); // error |