Add a virtual clone() method to ir_instruction.

This will be used by function inlining, the linker, and avoiding double
usage of the LHS deref chains in ++, *=, and similar operations.

1 files changed, 1 insertions, 1 deletions

diff --git a/ir_constant_expression.cpp b/ir_constant_expression.cpp
index e9f0499820..effb88844e 100644
--- a/ir_constant_expression.cpp
+++ b/ir_constant_expression.cpp
@@ -546,7 +546,7 @@ ir_constant_visitor::visit(ir_dereference_variable *ir)
 
    ir_variable *var = ir->variable_referenced();
    if (var && var->constant_value)
-      value = var->constant_value->clone();
+      value = (ir_constant *)var->constant_value->clone(NULL);
 }