Hi,

cgraph_node::materialize_clone segfaulted when I tried compiling Tramp3D
with -fdump-ipa-all because there was no clone_info - IPA-CP created a
clone only for an aggregate constant, adding a note to its
transformation summary but not creating any tree_map nor
param_adjustements.

Fixed with the following obvious extra checks which I will commit after
an obligatory round of bootstrap and testing.

Thanks,

Martin


gcc/ChangeLog:

2020-11-12  Martin Jambor  <mjam...@suse.cz>

        * cgraphclones.c (cgraph_node::materialize_clone): Check that clone
        info is not NULL before attempting to dump it.
---
 gcc/cgraphclones.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gcc/cgraphclones.c b/gcc/cgraphclones.c
index bc590819f78..712a54e8d0c 100644
--- a/gcc/cgraphclones.c
+++ b/gcc/cgraphclones.c
@@ -1107,7 +1107,7 @@ cgraph_node::materialize_clone ()
       fprintf (symtab->dump_file, "cloning %s to %s\n",
               clone_of->dump_name (),
               dump_name ());
-      if (info->tree_map)
+      if (info && info->tree_map)
         {
          fprintf (symtab->dump_file, "    replace map:");
          for (unsigned int i = 0;
@@ -1123,7 +1123,7 @@ cgraph_node::materialize_clone ()
            }
          fprintf (symtab->dump_file, "\n");
        }
-      if (info->param_adjustments)
+      if (info && info->param_adjustments)
        info->param_adjustments->dump (symtab->dump_file);
     }
   clear_stmts_in_references ();
-- 
2.29.2

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