From: Mikko Rasa <tdb@tdb.fi>
Date: Fri, 5 Mar 2021 19:03:48 +0000 (+0200)
Subject: Mark function return types as used
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=ff00056daddbce2e6e16f7c09dcfcb5cde66e85c;p=libs%2Fgl.git

Mark function return types as used
---

diff --git a/source/glsl/optimize.cpp b/source/glsl/optimize.cpp
index 88a32399..9d9464e4 100644
--- a/source/glsl/optimize.cpp
+++ b/source/glsl/optimize.cpp
@@ -653,6 +653,12 @@ void UnusedTypeRemover::visit(VariableDeclaration &var)
 	unused_nodes.erase(var.type_declaration);
 }
 
+void UnusedTypeRemover::visit(FunctionDeclaration &func)
+{
+	unused_nodes.erase(func.return_type_declaration);
+	TraversingVisitor::visit(func);
+}
+
 
 UnusedVariableRemover::UnusedVariableRemover():
 	aggregate(0),
diff --git a/source/glsl/optimize.h b/source/glsl/optimize.h
index 85f11780..92e19c8c 100644
--- a/source/glsl/optimize.h
+++ b/source/glsl/optimize.h
@@ -179,6 +179,7 @@ private:
 	virtual void visit(ImageTypeDeclaration &);
 	virtual void visit(StructDeclaration &);
 	virtual void visit(VariableDeclaration &);
+	virtual void visit(FunctionDeclaration &);
 };
 
 /** Removes variable declarations with no references to them.  Assignment