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| author | Jason Merrill <jason@redhat.com> | 2011-08-30 00:30:58 -0400 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2011-08-30 00:30:58 -0400 |
| commit | 809fbdce1cd4660963c0de19a7bac82c81b7f767 (patch) | |
| tree | 35caf1500432040369c3d78a1d9759f0340c48e5 /gcc | |
| parent | e7b6bcf3571f919b67a91141d56ddac2c377bbb7 (diff) | |
| download | gcc-809fbdce1cd4660963c0de19a7bac82c81b7f767.zip gcc-809fbdce1cd4660963c0de19a7bac82c81b7f767.tar.gz gcc-809fbdce1cd4660963c0de19a7bac82c81b7f767.tar.bz2 | |
re PR c++/50224 ([C++0x] bogus unused parameter warning (it is referenced in lambda))
PR c++/50224
* semantics.c (finish_id_expression): Mark captured variables used.
From-SVN: r178277
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/cp/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/cp/semantics.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/cpp0x/lambda/lambda-use2.C | 11 |
4 files changed, 24 insertions, 0 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index 17065de..315078a 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,8 @@ +2011-08-29 Jason Merrill <jason@redhat.com> + + PR c++/50224 + * semantics.c (finish_id_expression): Mark captured variables used. + 2011-08-29 Jakub Jelinek <jakub@redhat.com> Jason Merrill <jason@redhat.com> diff --git a/gcc/cp/semantics.c b/gcc/cp/semantics.c index 5deb2eb..07f53b5 100644 --- a/gcc/cp/semantics.c +++ b/gcc/cp/semantics.c @@ -2949,6 +2949,9 @@ finish_id_expression (tree id_expression, tree lambda_expr = NULL_TREE; tree initializer = convert_from_reference (decl); + /* Mark it as used now even if the use is ill-formed. */ + mark_used (decl); + /* Core issue 696: "[At the July 2009 meeting] the CWG expressed support for an approach in which a reference to a local [constant] automatic variable in a nested class or lambda body diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index c503b69..fe0a6aa 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2011-08-29 Jason Merrill <jason@redhat.com> + + PR c++/50224 + * g++.dg/cpp0x/lambda/lambda-use2.C: New. + 2011-08-29 Jakub Jelinek <jakub@redhat.com> Jason Merrill <jason@redhat.com> diff --git a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-use2.C b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-use2.C new file mode 100644 index 0000000..695a0b4 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-use2.C @@ -0,0 +1,11 @@ +// PR c++/50224 +// { dg-options "-std=c++0x -Wunused-parameter" } + +struct T; + +void m(T& t) // ERROR here +{ + [&]{ + t; // ``t`` is referenced here + }; +} |