[gcc r14-143] Add operator* to gimple_stmt_iterator and gphi_iterator

[gcc r14-143] Add operator* to gimple_stmt_iterator and gphi_iterator

[Richard Biener]

https://gcc.gnu.org/g:c39cdd9e654540f74cd2478019c40f1611554a44

commit r14-143-gc39cdd9e654540f74cd2478019c40f1611554a44
Author: Richard Biener <rguenther@suse.de>
Date:   Tue Apr 18 16:58:26 2023 +0200

    Add operator* to gimple_stmt_iterator and gphi_iterator
    
    This allows STL style iterator dereference.  It's the same
    as gsi_stmt () or .phi ().
    
            * gimple-iterator.h (gimple_stmt_iterator::operator*): Add.
            (gphi_iterator::operator*): Likewise.

Diff:
---
 gcc/gimple-iterator.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gcc/gimple-iterator.h b/gcc/gimple-iterator.h
index 38352aa95af..b709923f00d 100644
--- a/gcc/gimple-iterator.h
+++ b/gcc/gimple-iterator.h
@@ -24,6 +24,8 @@ along with GCC; see the file COPYING3.  If not see
 
 struct gimple_stmt_iterator
 {
+  gimple *operator * () const { return ptr; }
+
   /* Sequence node holding the current statement.  */
   gimple_seq_node ptr;
 
@@ -38,6 +40,8 @@ struct gimple_stmt_iterator
 /* Iterator over GIMPLE_PHI statements.  */
 struct gphi_iterator : public gimple_stmt_iterator
 {
+  gphi *operator * () const { return as_a <gphi *> (ptr); }
+
   gphi *phi () const
   {
     return as_a <gphi *> (ptr);