d: Merge upstream dmd b0df0e982

Adds a struct ParameterList to encapulate parameter and vararg
information in the front-end.

Reviewed-on: https://github.com/dlang/dmd/pull/11226

gcc/d/ChangeLog:

	* dmd/MERGE: Merge upstream dmd b0df0e982.
	* d-builtins.cc (build_frontend_type): Use VarArg for varargs_p.
	* d-codegen.cc (declaration_type): Call TypeFunction::create with
	argument VARARGnone.
	(parameter_type): Likewise.
	(d_build_call): Use new field names and member functions.
	* d-target.cc (Target::cppParameterType): Call TypeFunction::create
	with argument VARARGnone.
	* types.cc (TypeVisitor::visit (TypeFunction *): Use new field names
	and member functions.

1 files changed, 4 insertions, 2 deletions

diff --git a/gcc/d/dmd/cppmangle.c b/gcc/d/dmd/cppmangle.c
index f39c248..ee19bd1 100644
--- a/gcc/d/dmd/cppmangle.c
+++ b/gcc/d/dmd/cppmangle.c
@@ -657,7 +657,8 @@ class CppMangleVisitor : public Visitor
         if (tf->linkage == LINKcpp) //Template args accept extern "C" symbols with special mangling
         {
             assert(tf->ty == Tfunction);
-            mangleFunctionParameters(tf->parameters, tf->varargs);
+            mangleFunctionParameters(tf->parameterList.parameters,
+                                     tf->parameterList.varargs);
         }
     }
 
@@ -982,7 +983,8 @@ public:
         if (t->isref)
             tn  = tn->referenceTo();
         tn->accept(this);
-        mangleFunctionParameters(t->parameters, t->varargs);
+        mangleFunctionParameters(t->parameterList.parameters,
+                                 t->parameterList.varargs);
         buf->writeByte('E');
         append(t);
     }