[PATCH] Fix PR82128

[Richard Biener]

This is the one with the folding fix...

Bootstrapped on x86_64-unknown-linux-gnu, testing in progress.

Richard.

2017-09-12  Richard Biener  <rguent...@suse.de>

        PR middle-end/82128
        * gimple-fold.c (gimple_fold_call): Update iterator properly.

Index: gcc/gimple-fold.c
===================================================================
--- gcc/gimple-fold.c   (revision 252002)
+++ gcc/gimple-fold.c   (working copy)
@@ -3872,7 +3872,7 @@ gimple_fold_call (gimple_stmt_iterator *
                         we need to preserve GIMPLE_CALL statement
                         at position of GSI iterator.  */
                      update_call_from_tree (gsi, def);
-                     gsi_insert_before (gsi, new_stmt, GSI_NEW_STMT);
+                     gsi_insert_before (gsi, new_stmt, GSI_SAME_STMT);
                    }
                  else
                    {