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| author | Jason Merrill <jason@redhat.com> | 2010-01-20 16:30:28 -0500 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2010-01-20 16:30:28 -0500 |
| commit | 1f4a7a481f5d76f2932c69f17adffd6bc37add04 (patch) | |
| tree | a4b4963f20e444996f74308e7fec8b1636796268 | |
| parent | e4672ccdb366be7135f3e931c710df0ffbc46d1d (diff) | |
| download | gcc-1f4a7a481f5d76f2932c69f17adffd6bc37add04.zip gcc-1f4a7a481f5d76f2932c69f17adffd6bc37add04.tar.gz gcc-1f4a7a481f5d76f2932c69f17adffd6bc37add04.tar.bz2 | |
re PR c++/41920 ([C++0x] Invalid 'unused parameter' warning for parameters used in lambdas)
PR c++/41920
* semantics.c (build_lambda_object): Call mark_used on captured
variables.
From-SVN: r156085
| -rw-r--r-- | gcc/cp/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/cp/semantics.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/cpp0x/lambda/lambda-warn1.C | 8 |
4 files changed, 18 insertions, 0 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index 7269838..828f4b0 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,5 +1,9 @@ 2010-01-20 Jason Merrill <jason@redhat.com> + PR c++/41920 + * semantics.c (build_lambda_object): Call mark_used on captured + variables. + PR c++/40750 * decl.c (grokdeclarator): Clear type_quals for a member function declared using a typedef. Don't complain about adding cv-quals diff --git a/gcc/cp/semantics.c b/gcc/cp/semantics.c index fa3ecda..1545443 100644 --- a/gcc/cp/semantics.c +++ b/gcc/cp/semantics.c @@ -5408,6 +5408,9 @@ build_lambda_object (tree lambda_expr) tree field = TREE_PURPOSE (node); tree val = TREE_VALUE (node); + if (DECL_P (val)) + mark_used (val); + /* Mere mortals can't copy arrays with aggregate initialization, so do some magic to make it work here. */ if (TREE_CODE (TREE_TYPE (field)) == ARRAY_TYPE) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index db9bb35..99c5614 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,8 @@ 2010-01-20 Jason Merrill <jason@redhat.com> + PR c++/41920 + * g++.dg/cpp0x/lambda/lambda-warn1.C: New. + PR c++/40750 * g++.dg/parse/fn-typedef1.C: New. * g++.dg/other/cv_quals.C: Adjust. diff --git a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-warn1.C b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-warn1.C new file mode 100644 index 0000000..b384d5c --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-warn1.C @@ -0,0 +1,8 @@ +// PR c++/41920 +// { dg-options "-std=c++0x -Wall -Wextra" } + +int foo(int i) +{ + auto bar = [=](){ return i; }; + return bar(); +} |