[MS ABI] Correctly mangle classes without names for linkage purposes
A class without a name for linkage purposes gets a name along the lines
of <unnamed-type-foo> where foo is either the name of a declarator which
defined it (like a variable or field) or a
typedef-name (like a typedef or alias-declaration).
We handled the declarator case correctly but it would fall down during
template instantiation if the declarator didn't share the tag's type.
We failed to handle the typedef-name case at all.
Instead, keep track of the association between the two and keep it up to
date in the face of template instantiation.
llvm-svn: 246469
diff --git a/clang/lib/AST/CXXABI.h b/clang/lib/AST/CXXABI.h
index dad2264..c23b919 100644
--- a/clang/lib/AST/CXXABI.h
+++ b/clang/lib/AST/CXXABI.h
@@ -21,6 +21,7 @@
class ASTContext;
class CXXConstructorDecl;
+class DeclaratorDecl;
class Expr;
class MemberPointerType;
class MangleNumberingContext;
@@ -57,6 +58,17 @@
virtual Expr *getDefaultArgExprForConstructor(const CXXConstructorDecl *CD,
unsigned ParmIdx) = 0;
+
+ virtual void addTypedefNameForUnnamedTagDecl(TagDecl *TD,
+ TypedefNameDecl *DD) = 0;
+
+ virtual TypedefNameDecl *
+ getTypedefNameForUnnamedTagDecl(const TagDecl *TD) = 0;
+
+ virtual void addDeclaratorForUnnamedTagDecl(TagDecl *TD,
+ DeclaratorDecl *DD) = 0;
+
+ virtual DeclaratorDecl *getDeclaratorForUnnamedTagDecl(const TagDecl *TD) = 0;
};
/// Creates an instance of a C++ ABI class.