1 files changed, 25 insertions, 13 deletions
diff --git a/src/glsl/ir_clone.cpp b/src/glsl/ir_clone.cpp
index a3cc8dbc97..1522af682b 100644
--- a/src/glsl/ir_clone.cpp
+++ b/src/glsl/ir_clone.cpp
@@ -22,6 +22,7 @@
  */
 
 #include <string.h>
+#include "main/compiler.h"
 #include "ir.h"
 #include "glsl_types.h"
 extern "C" {
@@ -160,14 +161,15 @@ ir_call::clone(void *mem_ctx, struct hash_table *ht) const
 ir_expression *
 ir_expression::clone(void *mem_ctx, struct hash_table *ht) const
 {
-   ir_rvalue *op[2] = {NULL, NULL};
+   ir_rvalue *op[Elements(this->operands)] = { NULL, };
    unsigned int i;
 
    for (i = 0; i < get_num_operands(); i++) {
       op[i] = this->operands[i]->clone(mem_ctx, ht);
    }
 
-   return new(mem_ctx) ir_expression(this->operation, this->type, op[0], op[1]);
+   return new(mem_ctx) ir_expression(this->operation, this->type,
+				     op[0], op[1], op[2], op[3]);
 }
 
 ir_dereference_variable *
@@ -274,13 +276,32 @@ ir_function::clone(void *mem_ctx, struct hash_table *ht) const
 ir_function_signature *
 ir_function_signature::clone(void *mem_ctx, struct hash_table *ht) const
 {
+   ir_function_signature *copy = this->clone_prototype(mem_ctx, ht);
+
+   copy->is_defined = this->is_defined;
+
+   /* Clone the instruction list.
+    */
+   foreach_list_const(node, &this->body) {
+      const ir_instruction *const inst = (const ir_instruction *) node;
+
+      ir_instruction *const inst_copy = inst->clone(mem_ctx, ht);
+      copy->body.push_tail(inst_copy);
+   }
+
+   return copy;
+}
+
+ir_function_signature *
+ir_function_signature::clone_prototype(void *mem_ctx, struct hash_table *ht) const
+{
    ir_function_signature *copy =
       new(mem_ctx) ir_function_signature(this->return_type);
 
-   copy->is_defined = this->is_defined;
+   copy->is_defined = false;
    copy->is_builtin = this->is_builtin;
 
-   /* Clone the parameter list.
+   /* Clone the parameter list, but NOT the body.
     */
    foreach_list_const(node, &this->parameters) {
       const ir_variable *const param = (const ir_variable *) node;
@@ -291,15 +312,6 @@ ir_function_signature::clone(void *mem_ctx, struct hash_table *ht) const
       copy->parameters.push_tail(param_copy);
    }
 
-   /* Clone the instruction list.
-    */
-   foreach_list_const(node, &this->body) {
-      const ir_instruction *const inst = (const ir_instruction *) node;
-
-      ir_instruction *const inst_copy = inst->clone(mem_ctx, ht);
-      copy->body.push_tail(inst_copy);
-   }
-
    return copy;
 }