PR lto/52178

	* tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
	* tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.


git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@187892 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 9 insertions, 0 deletions

diff --git a/gcc/tree-inline.c b/gcc/tree-inline.c
index a987ff0f8ae..0190aa953f5 100644
--- a/gcc/tree-inline.c
+++ b/gcc/tree-inline.c
@@ -818,6 +818,15 @@ remap_gimple_op_r (tree *tp, int *walk_subtrees, void *data)
 	       || decl_function_context (*tp) == id->src_fn))
     /* These may need to be remapped for EH handling.  */
     *tp = remap_decl (*tp, id);
+  else if (TREE_CODE (*tp) == FIELD_DECL)
+    {
+      /* If the enclosing record type is variably_modified_type_p, the field
+	 has already been remapped.  Otherwise, it need not be.  */
+      tree *n = (tree *) pointer_map_contains (id->decl_map, *tp);
+      if (n)
+	*tp = *n;
+      *walk_subtrees = 0;
+    }
   else if (TYPE_P (*tp))
     /* Types may need remapping as well.  */
     *tp = remap_type (*tp, id);