From: Mikko Rasa <tdb@tdb.fi>
Date: Thu, 4 Mar 2021 21:25:03 +0000 (+0200)
Subject: Add a missing symmetry to linking variables
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=0cb938299e58703c70d0196f4b3dee441a6416a7;hp=dda547f94e4aff590592908b38ca1e78c2c24b08;p=libs%2Fgl.git

Add a missing symmetry to linking variables

This caused invalid memory accesses when destroying syntax trees.
---

diff --git a/source/glsl/generate.cpp b/source/glsl/generate.cpp
index ad8515a9..b91c2e26 100644
--- a/source/glsl/generate.cpp
+++ b/source/glsl/generate.cpp
@@ -558,7 +558,10 @@ void InterfaceGenerator::visit(VariableDeclaration &var)
 			const map<string, VariableDeclaration *> &linked_vars = iface_block->linked_block->members.variables;
 			map<string, VariableDeclaration *>::const_iterator i = linked_vars.find(var.name);
 			if(i!=linked_vars.end())
+			{
 				var.linked_declaration = i->second;
+				var.linked_declaration->linked_declaration = &var;
+			}
 		}
 		return;
 	}