diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0027-Core-1148.patch')
| -rw-r--r-- | meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0027-Core-1148.patch | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0027-Core-1148.patch b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0027-Core-1148.patch deleted file mode 100644 index a6d5636d7..000000000 --- a/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0027-Core-1148.patch +++ /dev/null @@ -1,59 +0,0 @@ -From c68e41052387396cba4a066d8e9658dc2011baf0 Mon Sep 17 00:00:00 2001 -From: jason <jason@138bc75d-0d04-0410-961f-82ee72b054a4> -Date: Tue, 29 Mar 2011 14:25:10 +0000 -Subject: [PATCH] Core 1148 - * typeck.c (check_return_expr): Fix conditions for setting - LOOKUP_PREFER_RVALUE. - -git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@171668 138bc75d-0d04-0410-961f-82ee72b054a4 - -index 0e8a6d7..03aa49e 100644 ---- a/gcc/cp/typeck.c -+++ b/gcc/cp/typeck.c -@@ -7760,12 +7760,19 @@ check_return_expr (tree retval, bool *no_warning) - - /* Under C++0x [12.8/16 class.copy], a returned lvalue is sometimes - treated as an rvalue for the purposes of overload resolution to -- favor move constructors over copy constructors. */ -- if ((cxx_dialect != cxx98) -- && named_return_value_okay_p -- /* The variable must not have the `volatile' qualifier. */ -- && !CP_TYPE_VOLATILE_P (TREE_TYPE (retval)) -- /* The return type must be a class type. */ -+ favor move constructors over copy constructors. -+ -+ Note that these conditions are similar to, but not as strict as, -+ the conditions for the named return value optimization. */ -+ if ((cxx_dialect != cxx98) -+ && (TREE_CODE (retval) == VAR_DECL -+ || TREE_CODE (retval) == PARM_DECL) -+ && DECL_CONTEXT (retval) == current_function_decl -+ && !TREE_STATIC (retval) -+ && same_type_p ((TYPE_MAIN_VARIANT (TREE_TYPE (retval))), -+ (TYPE_MAIN_VARIANT -+ (TREE_TYPE (TREE_TYPE (current_function_decl))))) -+ /* This is only interesting for class type. */ - && CLASS_TYPE_P (TREE_TYPE (TREE_TYPE (current_function_decl)))) - flags = flags | LOOKUP_PREFER_RVALUE; - -new file mode 100644 -index 0000000..216b1b5 ---- /dev/null -+++ b/gcc/testsuite/g++.dg/cpp0x/elision2.C -@@ -0,0 +1,13 @@ -+// Core 1148: should be able to move from value parameter on return -+// { dg-options -std=c++0x } -+ -+struct A -+{ -+ A(const A&) = delete; -+ A(A&&); -+}; -+ -+A f (A a) -+{ -+ return a; -+} --- -1.7.0.4 - |