Unqualify the parameter type.

This fixes a regression from 168895.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171519 91177308-0d34-0410-b5e6-96231b3b80d8

include/clang/Sema/Initialization.h

@@ -177,8 +177,7 @@ public:
   /// \brief Create the initialization entity for a parameter.
   static InitializedEntity InitializeParameter(ASTContext &Context,
                                                ParmVarDecl *Parm) {
-    return InitializeParameter(Context, Parm,
-                               Parm->getType().getUnqualifiedType());
+    return InitializeParameter(Context, Parm, Parm->getType());
   }
 
   /// \brief Create the initialization entity for a parameter, but use
@@ -191,7 +190,8 @@ public:
 
     InitializedEntity Entity;
     Entity.Kind = EK_Parameter;
-    Entity.Type = Context.getVariableArrayDecayedType(Type);
+    Entity.Type =
+      Context.getVariableArrayDecayedType(Type.getUnqualifiedType());
     Entity.Parent = 0;
     Entity.Parameter
       = (static_cast<uintptr_t>(Consumed) | reinterpret_cast<uintptr_t>(Parm));

test/Sema/implicit-cast-dump.c

+// RUN: %clang_cc1 -ast-dump %s | FileCheck %s
+
+void foo1(void*);
+void foo2(void* const);
+
+
+void bar() {
+  // CHECK:  (FunctionDecl {{.*}} <line:{{.*}}, line:{{.*}}> bar 'void ()'
+
+  foo1(0);
+  // CHECK: (ImplicitCastExpr {{.*}} <col:{{.*}}> 'void *' <NullToPointer>
+
+  foo2(0);
+  // CHECK: (ImplicitCastExpr {{.*}} <col:{{.*}}> 'void *' <NullToPointer>
+}