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| author | Marek Polacek <polacek@redhat.com> | 2019-04-17 18:26:42 +0000 |
|---|---|---|
| committer | Marek Polacek <mpolacek@gcc.gnu.org> | 2019-04-17 18:26:42 +0000 |
| commit | f64e89775fc23fc57b1631f0c0e80a96150e3cd8 (patch) | |
| tree | 2b0cb0b5fc80e7d3a9b847193b25afe48b3d8679 | |
| parent | 62a64d0af19020933e975c9b942f5b4f0b7d3ca5 (diff) | |
| download | gcc-f64e89775fc23fc57b1631f0c0e80a96150e3cd8.zip gcc-f64e89775fc23fc57b1631f0c0e80a96150e3cd8.tar.gz gcc-f64e89775fc23fc57b1631f0c0e80a96150e3cd8.tar.bz2 | |
PR c++/90124 - bogus error with incomplete type in decltype.
* typeck.c (build_class_member_access_expr): Check
cp_unevaluated_operand.
* g++.dg/cpp0x/decltype70.C: New test.
From-SVN: r270418
| -rw-r--r-- | gcc/cp/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/cp/typeck.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/cpp0x/decltype70.C | 10 |
4 files changed, 23 insertions, 1 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index 67baed6..a37a6c2 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,9 @@ +2019-04-17 Marek Polacek <polacek@redhat.com> + + PR c++/90124 - bogus error with incomplete type in decltype. + * typeck.c (build_class_member_access_expr): Check + cp_unevaluated_operand. + 2019-04-12 Jakub Jelinek <jakub@redhat.com> PR c/89933 diff --git a/gcc/cp/typeck.c b/gcc/cp/typeck.c index 03b1402..7224d9b 100644 --- a/gcc/cp/typeck.c +++ b/gcc/cp/typeck.c @@ -2477,7 +2477,8 @@ build_class_member_access_expr (cp_expr object, tree member, /* We didn't complain above about a currently open class, but now we must: we don't know how to refer to a base member before layout is complete. But still don't complain in a template. */ - if (!dependent_type_p (object_type) + if (!cp_unevaluated_operand + && !dependent_type_p (object_type) && !complete_type_or_maybe_complain (object_type, object, complain)) return error_mark_node; diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 3fb6092..e9e0077 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2019-04-17 Marek Polacek <polacek@redhat.com> + + PR c++/90124 - bogus error with incomplete type in decltype. + * g++.dg/cpp0x/decltype70.C: New test. + 2019-04-17 Jakub Jelinek <jakub@redhat.com> PR middle-end/90095 diff --git a/gcc/testsuite/g++.dg/cpp0x/decltype70.C b/gcc/testsuite/g++.dg/cpp0x/decltype70.C new file mode 100644 index 0000000..b26aca9 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp0x/decltype70.C @@ -0,0 +1,10 @@ +// PR c++/90124 +// { dg-do compile { target c++11 } } + +class a { +public: + int b; +}; +class c : a { + auto m_fn1() -> decltype(b); +}; |