When a function template's template parameter has a default argument,
it's okay for the following template parameters to not have default
arguments (since those template parameters can still be
deduced). Also, downgrade the error about default template arguments
in function templates to an extension warning, since this is a
harmless C++0x extension.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124855 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaTemplate.cpp b/lib/Sema/SemaTemplate.cpp
index 00f490c..f7060f0 100644
--- a/lib/Sema/SemaTemplate.cpp
+++ b/lib/Sema/SemaTemplate.cpp
@@ -1052,7 +1052,7 @@
// (This sentence is not in C++0x, per DR226).
if (!S.getLangOptions().CPlusPlus0x)
S.Diag(ParamLoc,
- diag::err_template_parameter_default_in_function_template)
+ diag::ext_template_parameter_default_in_function_template)
<< DefArgRange;
return false;
@@ -1315,7 +1315,7 @@
Diag(NewDefaultLoc, diag::err_template_param_default_arg_redefinition);
Diag(OldDefaultLoc, diag::note_template_param_prev_default_arg);
Invalid = true;
- } else if (MissingDefaultArg) {
+ } else if (MissingDefaultArg && TPC != TPC_FunctionTemplate) {
// C++ [temp.param]p11:
// If a template-parameter of a class template has a default
// template-argument, each subsequent template-parameter shall either