diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0028-PR-c-48313.patch')
| -rw-r--r-- | meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0028-PR-c-48313.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0028-PR-c-48313.patch b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0028-PR-c-48313.patch new file mode 100644 index 000000000..f37fb0337 --- /dev/null +++ b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0028-PR-c-48313.patch @@ -0,0 +1,50 @@ +From 8d72f0bd42615d92c0db226238694eedb52914d3 Mon Sep 17 00:00:00 2001 +From: jason <jason@138bc75d-0d04-0410-961f-82ee72b054a4> +Date: Tue, 29 Mar 2011 14:25:22 +0000 +Subject: [PATCH 028/200] PR c++/48313 + * pt.c (maybe_adjust_types_for_deduction): Handle T&& deduction + from overloaded function. + +git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@171669 138bc75d-0d04-0410-961f-82ee72b054a4 + +index 95b82ee..2e18588 100644 +--- a/gcc/cp/pt.c ++++ b/gcc/cp/pt.c +@@ -13936,7 +13936,10 @@ maybe_adjust_types_for_deduction (unification_kind_t strict, + && TYPE_REF_IS_RVALUE (*parm) + && TREE_CODE (TREE_TYPE (*parm)) == TEMPLATE_TYPE_PARM + && cp_type_quals (TREE_TYPE (*parm)) == TYPE_UNQUALIFIED +- && arg_expr && real_lvalue_p (arg_expr)) ++ && (arg_expr ? real_lvalue_p (arg_expr) ++ /* try_one_overload doesn't provide an arg_expr, but ++ functions are always lvalues. */ ++ : TREE_CODE (*arg) == FUNCTION_TYPE)) + *arg = build_reference_type (*arg); + + /* [temp.deduct.call] +new file mode 100644 +index 0000000..160296f +--- /dev/null ++++ b/gcc/testsuite/g++.dg/cpp0x/rv-deduce2.C +@@ -0,0 +1,18 @@ ++// PR c++/48313 ++// { dg-options -std=c++0x } ++ ++template<typename F> ++void f(F&&) { } ++ ++void g() { } ++ ++template<typename T> void h() { } ++ ++int main() ++{ ++ f( g ); // OK ++ void (&p)() = h<int>; ++ f( p ); // OK ++ f( h<int> ); // ??? ++} ++ +-- +1.7.0.4 + |