diff options
| author | Jakub Jelinek <jakub@redhat.com> | 2009-08-21 09:08:15 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2009-08-21 09:08:15 +0200 |
| commit | 4b8c1a924a55851b83b26391e1703bd15c1c4066 (patch) | |
| tree | cc929624ef664c93f476c71caca5a8af29973dc1 /gcc/cp | |
| parent | 7450a081dba0e01ad1097e8d4798fe59f91ecead (diff) | |
| download | gcc-4b8c1a924a55851b83b26391e1703bd15c1c4066.tar.gz | |
re PR c++/41131 (non-lvalue in unary `&' wrongly accepted)
PR c++/41131
* tree.c (lvalue_p_1) <case CONST_DECL>: Return clk_none if
not TREE_STATIC.
* g++.dg/expr/unary3.C: New test.
From-SVN: r150985
Diffstat (limited to 'gcc/cp')
| -rw-r--r-- | gcc/cp/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/cp/tree.c | 6 |
2 files changed, 12 insertions, 0 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index 7112a67df67..545ac188741 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,9 @@ +2009-08-21 Jakub Jelinek <jakub@redhat.com> + + PR c++/41131 + * tree.c (lvalue_p_1) <case CONST_DECL>: Return clk_none if + not TREE_STATIC. + 2009-08-19 Jason Merrill <jason@redhat.com> PR c++/41119 diff --git a/gcc/cp/tree.c b/gcc/cp/tree.c index 1a406a30690..f09b036e334 100644 --- a/gcc/cp/tree.c +++ b/gcc/cp/tree.c @@ -132,6 +132,12 @@ lvalue_p_1 (const_tree ref) return clk_ordinary; case CONST_DECL: + /* CONST_DECL without TREE_STATIC are enumeration values and + thus not lvalues. With TREE_STATIC they are used by ObjC++ + in objc_build_string_object and need to be considered as + lvalues. */ + if (! TREE_STATIC (ref)) + return clk_none; case VAR_DECL: if (TREE_READONLY (ref) && ! TREE_STATIC (ref) && DECL_LANG_SPECIFIC (ref) |