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| author | Jason Merrill <jason@redhat.com> | 2017-06-18 00:55:02 -0400 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2017-06-18 00:55:02 -0400 |
| commit | 20ef9df1cffcae042e02d596724e69c24047c557 (patch) | |
| tree | 7bb4cc9ae9eda8094137afe950a76789fe715c2b | |
| parent | 5ebcc5477a59dbe51c7e1130a2b751a2a1d89574 (diff) | |
| download | gcc-20ef9df1cffcae042e02d596724e69c24047c557.zip gcc-20ef9df1cffcae042e02d596724e69c24047c557.tar.gz gcc-20ef9df1cffcae042e02d596724e69c24047c557.tar.bz2 | |
PR c++/60063 - -Wunused-local-typedefs and templates.
* decl2.c (is_late_template_attribute): Return false for "used".
From-SVN: r249347
| -rw-r--r-- | gcc/cp/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/cp/decl2.c | 5 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/warn/Wunused-local-typedefs-4.C | 13 |
3 files changed, 19 insertions, 2 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index d082574..465e7d9 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,5 +1,8 @@ 2017-06-17 Jason Merrill <jason@redhat.com> + PR c++/60063 - -Wunused-local-typedefs and templates. + * decl2.c (is_late_template_attribute): Return false for "used". + PR c++/70844 - -Wuseless-cast and inheriting constructor. * method.c (forward_parm): Suppress warn_useless_cast. diff --git a/gcc/cp/decl2.c b/gcc/cp/decl2.c index 69cb40f..72239ec 100644 --- a/gcc/cp/decl2.c +++ b/gcc/cp/decl2.c @@ -1091,9 +1091,10 @@ is_late_template_attribute (tree attr, tree decl) if (is_attribute_p ("weak", name)) return true; - /* Attribute unused is applied directly, as it appertains to + /* Attributes used and unused are applied directly, as they appertain to decls. */ - if (is_attribute_p ("unused", name)) + if (is_attribute_p ("unused", name) + || is_attribute_p ("used", name)) return false; /* Attribute tls_model wants to modify the symtab. */ diff --git a/gcc/testsuite/g++.dg/warn/Wunused-local-typedefs-4.C b/gcc/testsuite/g++.dg/warn/Wunused-local-typedefs-4.C new file mode 100644 index 0000000..7efe112 --- /dev/null +++ b/gcc/testsuite/g++.dg/warn/Wunused-local-typedefs-4.C @@ -0,0 +1,13 @@ +// PR c++/60063 +// { dg-options -Wunused-local-typedefs } + +template <class> struct S; + +void foo (int i) { + typedef __attribute__ ((used)) S<int> X; +} + +template <class T> +void bar (T i) { + typedef __attribute__ ((used)) S<T> Y; +} |