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| author | Jason Merrill <jason@redhat.com> | 2011-05-27 15:32:07 -0400 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2011-05-27 15:32:07 -0400 |
| commit | 6d258f3157f2e035d491929a9b819cae3b24a8e9 (patch) | |
| tree | 245de3ff34e4cbf3807e4e35e972087b8c824419 /gcc/cp/pt.c | |
| parent | 87fd3cf18a7e5d67bbbf9a96c34c5476544a4eac (diff) | |
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re PR c++/47687 ([C++0x] Crash on a lambda returning a lambda (using std::function))
PR c++/47687
* pt.c (dependent_type_p_r): Avoid infinite recursion.
From-SVN: r174354
Diffstat (limited to 'gcc/cp/pt.c')
| -rw-r--r-- | gcc/cp/pt.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c index 71fe0a0..ae3d83d 100644 --- a/gcc/cp/pt.c +++ b/gcc/cp/pt.c @@ -18260,8 +18260,15 @@ dependent_type_p_r (tree type) scope = TYPE_CONTEXT (type); if (scope && TYPE_P (scope)) return dependent_type_p (scope); - else if (scope && TREE_CODE (scope) == FUNCTION_DECL) - return type_dependent_expression_p (scope); + /* Don't use type_dependent_expression_p here, as it can lead + to infinite recursion trying to determine whether a lambda + nested in a lambda is dependent (c++/47687). */ + else if (scope && TREE_CODE (scope) == FUNCTION_DECL + && DECL_LANG_SPECIFIC (scope) + && DECL_TEMPLATE_INFO (scope) + && (any_dependent_template_arguments_p + (INNERMOST_TEMPLATE_ARGS (DECL_TI_ARGS (scope))))) + return true; /* Other types are non-dependent. */ return false; |