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-rw-r--r--src/glsl/linker.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/glsl/linker.cpp b/src/glsl/linker.cpp
index 590f364d6c2..0c446777970 100644
--- a/src/glsl/linker.cpp
+++ b/src/glsl/linker.cpp
@@ -762,7 +762,8 @@ cross_validate_globals(struct gl_shader_program *prog,
/* Check if types match. Interface blocks have some special
* rules so we handle those elsewhere.
*/
- if (var->type != existing->type) {
+ if (var->type != existing->type &&
+ !var->is_interface_instance()) {
if (!validate_intrastage_arrays(prog, var, existing)) {
if (var->type->is_record() && existing->type->is_record()
&& existing->type->record_compare(var->type)) {