Eliminate generated symbols for ignored functions

Signed-off-by: Dimitar Dobrev <dpldobrev@protonmail.com>

src/Generator/Driver.cs

@@ -225,8 +225,8 @@ namespace CppSharp
 
             if (Options.IsCSharpGenerator)
             {
-                TranslationUnitPasses.AddPass(new GenerateSymbolsPass());
                 TranslationUnitPasses.AddPass(new TrimSpecializationsPass());
+                TranslationUnitPasses.AddPass(new GenerateSymbolsPass());
                 TranslationUnitPasses.AddPass(new CheckIgnoredDeclsPass());
             }
 

src/Generator/Passes/CheckIgnoredDecls.cs

@@ -93,7 +93,6 @@ namespace CppSharp.Passes
                 Diagnostics.Debug("Decl '{0}' was ignored due to invalid access",
                     decl.Name);
                 decl.GenerationKind = decl is Field ? GenerationKind.Internal : GenerationKind.None;
-                return true;
             }
 
             return true;
@@ -524,6 +523,10 @@ namespace CppSharp.Passes
                     return typeMap.IsIgnored;
             }
 
+            if (decl.Ignore)
+                return true;
+
+            decl.Visit(this);
             return decl.Ignore;
         }