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* [gcc r11-10643] c++: &enum::enumerator [PR101869]
@ 2023-04-22 0:22 Jason Merrill
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From: Jason Merrill @ 2023-04-22 0:22 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:691e385b354482f3379bba471774873ca7179b79
commit r11-10643-g691e385b354482f3379bba471774873ca7179b79
Author: Jason Merrill <jason@redhat.com>
Date: Thu Mar 16 13:11:32 2023 -0400
c++: &enum::enumerator [PR101869]
We don't want to call build_offset_ref with an enum.
PR c++/101869
gcc/cp/ChangeLog:
* semantics.c (finish_qualified_id_expr): Don't try to build a
pointer-to-member if the scope is an enumeration.
gcc/testsuite/ChangeLog:
* g++.dg/cpp0x/enum43.C: New test.
Diff:
---
gcc/cp/semantics.c | 3 ++-
gcc/testsuite/g++.dg/cpp0x/enum43.C | 11 +++++++++++
2 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/gcc/cp/semantics.c b/gcc/cp/semantics.c
index baae5a0f1e4..385e108a1c8 100644
--- a/gcc/cp/semantics.c
+++ b/gcc/cp/semantics.c
@@ -2302,7 +2302,8 @@ finish_qualified_id_expr (tree qualifying_class,
/* If EXPR occurs as the operand of '&', use special handling that
permits a pointer-to-member. */
- if (address_p && done)
+ if (address_p && done
+ && TREE_CODE (qualifying_class) != ENUMERAL_TYPE)
{
if (TREE_CODE (expr) == SCOPE_REF)
expr = TREE_OPERAND (expr, 1);
diff --git a/gcc/testsuite/g++.dg/cpp0x/enum43.C b/gcc/testsuite/g++.dg/cpp0x/enum43.C
new file mode 100644
index 00000000000..b2cd9797a06
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/enum43.C
@@ -0,0 +1,11 @@
+// PR c++/101869
+
+enum E { A };
+E operator & (E e)
+{
+ return e;
+}
+E f(void)
+{
+ return &E::A; // { dg-error "not a class" "" { target c++98_only } }
+}
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