Re: RFA: Fix testsuite/91065

[Jeff Law]

On 7/2/19 3:52 PM, Joern Wolfgang Rennecke wrote:
> Regression tested running plugin.exp testing gcc configured with
> --enable-checking=all (failure fixed),
> --enable-checking=yes, and without --enable-checking (both no change).
> 
> pr91065-patch.txt
> 
> 2019-07-02  Joern Rennecke  
> 
>   PR testsuite/91065
>   * testsuite/gcc.dg/plugin/start_unit_plugin.c: Register a root tab
>   to reference fake_var.
OK
jeff

RFA: Fix testsuite/91065

[Joern Wolfgang Rennecke]

Regression tested running plugin.exp testing gcc configured with 
--enable-checking=all (failure fixed),

--enable-checking=yes, and without --enable-checking (both no change).
2019-07-02  Joern Rennecke  

PR testsuite/91065
* testsuite/gcc.dg/plugin/start_unit_plugin.c: Register a root tab
to reference fake_var.

Index: /data/gcc-10-exp/gcc/gcc/testsuite/gcc.dg/plugin/start_unit_plugin.c
===
--- /data/gcc-10-exp/gcc/gcc/testsuite/gcc.dg/plugin/start_unit_plugin.c
(revision 272931)
+++ /data/gcc-10-exp/gcc/gcc/testsuite/gcc.dg/plugin/start_unit_plugin.c
(working copy)
@@ -40,6 +40,19 @@ gate_start_unit (void)
 
 static void start_unit_callback (void *gcc_data, void *user_data)
 {
+  static const struct ggc_root_tab root[] = {
+{
+  _var,
+  1,
+  sizeof (fake_var),
+  _ggc_mx_tree_node,
+  _pch_nx_tree_node
+},
+LAST_GGC_ROOT_TAB
+  };
+
+  register_callback ("start_unit", PLUGIN_REGISTER_GGC_ROOTS, NULL,
+(void *)root);
   if (integer_type_node) {
 fake_var = build_decl (UNKNOWN_LOCATION, VAR_DECL, 
get_identifier ("_fake_var_"),