glsl2: Make ir_assignment derive from ir_instruction, not ir_rvalue.

Assignments can only exist at the top level instruction stream; the
residual value is handled by assigning the value to a temporary and
returning an ir_dereference_variable of that temporary.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/glsl/ir.h b/src/glsl/ir.h
index c73bf4ce8b2..3fd3a7660bc 100644
--- a/src/glsl/ir.h
+++ b/src/glsl/ir.h
@@ -506,7 +506,7 @@ public:
 };
 
 
-class ir_assignment : public ir_rvalue {
+class ir_assignment : public ir_instruction {
 public:
    ir_assignment(ir_rvalue *lhs, ir_rvalue *rhs, ir_rvalue *condition);