* tree-sra.c (decide_block_copy): Disable scalarization of sub-elements.

     * g++.dg/tree-sra/ssa-sra-3.C: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@97301 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 6 insertions, 0 deletions

diff --git a/gcc/tree-sra.c b/gcc/tree-sra.c
index f8aeebe573e..2fb23bd6022 100644
--- a/gcc/tree-sra.c
+++ b/gcc/tree-sra.c
@@ -1299,6 +1299,12 @@ decide_block_copy (struct sra_elt *elt)
 	  fputc ('\n', dump_file);
 	}
 
+      /* Disable scalarization of sub-elements */
+      for (c = elt->children; c; c = c->sibling)
+	{
+	  c->cannot_scalarize = 1;
+	  decide_block_copy (c);
+	}
       return false;
     }