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Make sure the accessors for overridden methods don't return inherited constructors. Fixes PR12219. 

llvm-svn: 152470
This commit is contained in:
Eli Friedman 2012-03-10 01:39:01 +00:00
parent c9295ec7d2
commit 9135902478
2 changed files with 18 additions and 4 deletions
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13
clang/lib/AST/DeclCXX.cpp
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@ -1421,19 +1421,23 @@ void CXXMethodDecl::addOverriddenMethod(const CXXMethodDecl *MD) {
assert(MD->isCanonicalDecl() && "Method is not canonical!");
assert(!MD->getParent()->isDependentContext() &&
"Can't add an overridden method to a class template!");
assert(MD->isVirtual() && "Method is not virtual!");
getASTContext().addOverriddenMethod(this, MD);
}
CXXMethodDecl::method_iterator CXXMethodDecl::begin_overridden_methods() const {
if (isa<CXXConstructorDecl>(this)) return 0;
return getASTContext().overridden_methods_begin(this);
}
CXXMethodDecl::method_iterator CXXMethodDecl::end_overridden_methods() const {
if (isa<CXXConstructorDecl>(this)) return 0;
return getASTContext().overridden_methods_end(this);
}
unsigned CXXMethodDecl::size_overridden_methods() const {
if (isa<CXXConstructorDecl>(this)) return 0;
return getASTContext().overridden_methods_size(this);
}
@ -1712,8 +1716,8 @@ bool CXXConstructorDecl::isSpecializationCopyingObject() const {
const CXXConstructorDecl *CXXConstructorDecl::getInheritedConstructor() const {
// Hack: we store the inherited constructor in the overridden method table
method_iterator It = begin_overridden_methods();
if (It == end_overridden_methods())
method_iterator It = getASTContext().overridden_methods_begin(this);
if (It == getASTContext().overridden_methods_end(this))
return 0;
return cast<CXXConstructorDecl>(*It);
@ -1722,8 +1726,9 @@ const CXXConstructorDecl *CXXConstructorDecl::getInheritedConstructor() const {
void
CXXConstructorDecl::setInheritedConstructor(const CXXConstructorDecl *BaseCtor){
// Hack: we store the inherited constructor in the overridden method table
assert(size_overridden_methods() == 0 && "Base ctor already set.");
addOverriddenMethod(BaseCtor);
assert(getASTContext().overridden_methods_size(this) == 0 &&
"Base ctor already set.");
getASTContext().addOverriddenMethod(this, BaseCtor);
}
void CXXDestructorDecl::anchor() { }

9
clang/test/CodeGenCXX/inheriting-constructor.cpp Normal file
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@ -0,0 +1,9 @@
// RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck %s
// PR12219
struct A { A(int); virtual ~A(); };
struct B : A { using A::A; ~B(); };
B::~B() {}
// CHECK: define void @_ZN1BD0Ev
// CHECK: define void @_ZN1BD1Ev
// CHECK: define void @_ZN1BD2Ev