Implement support for null non-type template arguments for non-type
template parameters of pointer, pointer-to-member, or nullptr_t
type in C++11. Fixes PR9700 / <rdar://problem/11193097>.
llvm-svn: 154219
diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index 15f85ba..acf5e0b 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -3313,8 +3313,11 @@
case TemplateArgument::Expression:
return Arg;
- case TemplateArgument::Declaration:
- return TemplateArgument(Arg.getAsDecl()->getCanonicalDecl());
+ case TemplateArgument::Declaration: {
+ if (Decl *D = Arg.getAsDecl())
+ return TemplateArgument(D->getCanonicalDecl());
+ return TemplateArgument((Decl*)0);
+ }
case TemplateArgument::Template:
return TemplateArgument(getCanonicalTemplateName(Arg.getAsTemplate()));