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| author | Jason Merrill <jason@redhat.com> | 2010-02-10 17:45:07 -0500 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2010-02-10 17:45:07 -0500 |
| commit | 2cb95a6ade9618f6056c251d07617a7a4c9c51e2 (patch) | |
| tree | a4a0aac725577272bb6dd69372cebef058daf4e0 | |
| parent | f1c3cf3c931a57f565ea7d4fe117875bc8701cd9 (diff) | |
| download | gcc-2cb95a6ade9618f6056c251d07617a7a4c9c51e2.zip gcc-2cb95a6ade9618f6056c251d07617a7a4c9c51e2.tar.gz gcc-2cb95a6ade9618f6056c251d07617a7a4c9c51e2.tar.bz2 | |
re PR c++/41896 ([c++0x] Segfault because of a nested lambda function)
PR c++/41896
* semantics.c (outer_lambda_capture_p): Use current_function_decl
instead of current_class_type.
From-SVN: r156673
| -rw-r--r-- | gcc/cp/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/cp/semantics.c | 5 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/cpp0x/lambda/lambda-nested3.C | 12 |
4 files changed, 24 insertions, 2 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index 11ec213..7a6e78a 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,5 +1,11 @@ 2010-02-10 Jason Merrill <jason@redhat.com> + PR c++/41896 + * semantics.c (outer_lambda_capture_p): Use current_function_decl + instead of current_class_type. + +2010-02-10 Jason Merrill <jason@redhat.com> + PR c++/42983, core issue 906 * method.c (defaultable_fn_check): Check virtualness. diff --git a/gcc/cp/semantics.c b/gcc/cp/semantics.c index f8ced6f..796b789 100644 --- a/gcc/cp/semantics.c +++ b/gcc/cp/semantics.c @@ -2714,8 +2714,9 @@ outer_lambda_capture_p (tree decl) { return (TREE_CODE (decl) == FIELD_DECL && LAMBDA_TYPE_P (DECL_CONTEXT (decl)) - && (!current_class_type - || !DERIVED_FROM_P (DECL_CONTEXT (decl), current_class_type))); + /* Using current_class_type here causes problems with uses in a + nested lambda-introducer; see 41896. */ + && DECL_CONTEXT (current_function_decl) != DECL_CONTEXT (decl)); } /* ID_EXPRESSION is a representation of parsed, but unprocessed, diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 1ddd791..b7ea3a2 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,8 @@ 2010-02-10 Jason Merrill <jason@redhat.com> + PR c++/41896 + * g++.dg/cpp0x/lambda/lambda-nested3.C: New. + PR c++/42983, core issue 906 * g++.dg/cpp0x/defaulted15.C: Add virtualness test. * g++.dg/cpp0x/defaulted9.C: Move virtual default outside class. diff --git a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-nested3.C b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-nested3.C new file mode 100644 index 0000000..2cc6f96 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-nested3.C @@ -0,0 +1,12 @@ +// PR c++/41896 +// { dg-options "-std=c++0x" } + +void nested_lambda() +{ + float val; + + [val]() + { + [val](){}; + }; +} |