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| author | Jason Merrill <jason@redhat.com> | 2016-04-19 15:30:22 -0400 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2016-04-19 15:30:22 -0400 |
| commit | 76f3944041f68df765cef48819936be04227d696 (patch) | |
| tree | a53f0050a6888ff46d0f97f7d2e01c98f6863e4a /gcc/cp/semantics.c | |
| parent | 90eeab20f7aec033494f554a7536954b3be63809 (diff) | |
| download | gcc-76f3944041f68df765cef48819936be04227d696.zip gcc-76f3944041f68df765cef48819936be04227d696.tar.gz gcc-76f3944041f68df765cef48819936be04227d696.tar.bz2 | |
PR c++/66543 - -Wunused-but-set* false positives
* expr.c (mark_exp_read): Handle NON_DEPENDENT_EXPR.
* pt.c (make_pack_expansion): Call mark_exp_read.
* semantics.c (finish_id_expression): Call mark_type_use in
unevaluated context.
From-SVN: r235221
Diffstat (limited to 'gcc/cp/semantics.c')
| -rw-r--r-- | gcc/cp/semantics.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/cp/semantics.c b/gcc/cp/semantics.c index 56864b4..85ef993 100644 --- a/gcc/cp/semantics.c +++ b/gcc/cp/semantics.c @@ -3487,6 +3487,12 @@ finish_id_expression (tree id_expression, if (!scope && decl != error_mark_node && identifier_p (id_expression)) maybe_note_name_used_in_class (id_expression, decl); + /* A use in unevaluated operand might not be instantiated appropriately + if tsubst_copy builds a dummy parm, or if we never instantiate a + generic lambda, so mark it now. */ + if (processing_template_decl && cp_unevaluated_operand) + mark_type_use (decl); + /* Disallow uses of local variables from containing functions, except within lambda-expressions. */ if (outer_automatic_var_p (decl)) |