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-rw-r--r--src/glsl/ir_constant_expression.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/glsl/ir_constant_expression.cpp b/src/glsl/ir_constant_expression.cpp
index 048c020c835..ce13a06ff4f 100644
--- a/src/glsl/ir_constant_expression.cpp
+++ b/src/glsl/ir_constant_expression.cpp
@@ -54,6 +54,9 @@ dot(ir_constant *op0, ir_constant *op1)
ir_constant *
ir_expression::constant_expression_value()
{
+ if (this->type->is_error())
+ return NULL;
+
ir_constant *op[2] = { NULL, NULL };
ir_constant_data data;