diff options
Diffstat (limited to 'clang/lib/Sema/SemaDeclCXX.cpp')
-rw-r--r-- | clang/lib/Sema/SemaDeclCXX.cpp | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/clang/lib/Sema/SemaDeclCXX.cpp b/clang/lib/Sema/SemaDeclCXX.cpp index dc33f2faf65..d4f9cc4380a 100644 --- a/clang/lib/Sema/SemaDeclCXX.cpp +++ b/clang/lib/Sema/SemaDeclCXX.cpp @@ -438,9 +438,9 @@ bool Sema::MergeCXXFunctionDecl(FunctionDecl *New, FunctionDecl *Old, // declaration (not even to the same value). // // C++ [dcl.fct.default]p6: - // Except for member functions of class templates, the default arguments - // in a member function definition that appears outside of the class - // definition are added to the set of default arguments provided by the + // Except for member functions of class templates, the default arguments + // in a member function definition that appears outside of the class + // definition are added to the set of default arguments provided by the // member function declaration in the class definition. for (unsigned p = 0, NumParams = Old->getNumParams(); p < NumParams; ++p) { ParmVarDecl *OldParam = Old->getParamDecl(p); @@ -450,9 +450,18 @@ bool Sema::MergeCXXFunctionDecl(FunctionDecl *New, FunctionDecl *Old, bool NewParamHasDfl = NewParam->hasDefaultArg(); NamedDecl *ND = Old; - if (S && !isDeclInScope(ND, New->getDeclContext(), S)) + + // The declaration context corresponding to the scope is the semantic + // parent, unless this is a local function declaration, in which case + // it is that surrounding function. + DeclContext *ScopeDC = New->getLexicalDeclContext(); + if (!ScopeDC->isFunctionOrMethod()) + ScopeDC = New->getDeclContext(); + if (S && !isDeclInScope(ND, ScopeDC, S) && + !New->getDeclContext()->isRecord()) // Ignore default parameters of old decl if they are not in - // the same scope. + // the same scope and this is not an out-of-line definition of + // a member function. OldParamHasDfl = false; if (OldParamHasDfl && NewParamHasDfl) { @@ -11486,6 +11495,7 @@ NamedDecl *Sema::ActOnFriendFunctionDecl(Scope *S, Declarator &D, // declared the function in, if we were permitted to, for error recovery. DC = FunctionContainingLocalClass; } + adjustContextForLocalExternDecl(DC); // C++ [class.friend]p6: // A function can be defined in a friend declaration of a class if and |