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Don't emit unused warning for deleted functions. Fixes rdar://8365684 & http://llvm.org/PR9391. 

llvm-svn: 126950
This commit is contained in:
Argyrios Kyrtzidis 2011-03-03 17:47:42 +00:00
parent 67735bf069
commit e02831423a
2 changed files with 5 additions and 1 deletions
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2
clang/lib/Sema/Sema.cpp
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@ -451,6 +451,8 @@ void Sema::ActOnEndOfTranslationUnit() {
const FunctionDecl *DiagD;
if (!FD->hasBody(DiagD))
DiagD = FD;
if (DiagD->isDeleted())
continue; // Deleted functions are supposed to be unused.
Diag(DiagD->getLocation(),
isa<CXXMethodDecl>(DiagD) ? diag::warn_unused_member_function
: diag::warn_unused_function)

4
clang/test/SemaCXX/unused-functions.cpp
View File

@ -1,4 +1,4 @@
// RUN: %clang_cc1 -fsyntax-only -Wunused -verify %s
// RUN: %clang_cc1 -std=c++0x -fsyntax-only -Wunused -verify %s
static int foo(int x) { return x; }
@ -6,3 +6,5 @@ template<typename T>
T get_from_foo(T y) { return foo(y); }
int g(int z) { return get_from_foo(z); }
namespace { void f() = delete; }