Add ir_function::iterator to iterate over function signatures

2 files changed, 9 insertions, 1 deletions

diff --git a/ast_to_hir.cpp b/ast_to_hir.cpp
index 78c92822e3..e6031ae004 100644
--- a/ast_to_hir.cpp
+++ b/ast_to_hir.cpp
@@ -1475,7 +1475,7 @@ ast_function_definition::hir(exec_list *instructions,
    const char *const name = this->prototype->identifier;
    f = state->symbols->get_function(name);
    if (f != NULL) {
-      foreach_iter(exec_list_iterator, iter, f->signatures) {
+      foreach_iter(exec_list_iterator, iter, *f) {
 	 signature = (struct ir_function_signature *) iter.get();
 
 	 /* Compare the parameter list of the function being defined to the
diff --git a/ir.h b/ir.h
index 2d2da1df76..3322ea9640 100644
--- a/ir.h
+++ b/ir.h
@@ -188,6 +188,14 @@ public:
    }
 
    /**
+    * Get an iterator for the set of function signatures
+    */
+   exec_list_iterator iterator()
+   {
+      return signatures.iterator();
+   }
+
+   /**
     * Find a signature that matches a set of actual parameters.
     */
    const ir_function_signature *matching_signature(exec_list *actual_param);