On 4/3/21 10:54 AM, Jason Merrill wrote:
The if allows TEMPLATE_DECL, but then checking DECL_MODULE_IMPORT_P crashes
on TEMPLATE_DECL.  Fixed by stripping TEMPLATE_DECL first.

Nathan, does this look right to you?

gcc/cp/ChangeLog:

        * ptree.c (cxx_print_decl): Check DECL_MODULE_IMPORT_P on
        template result.

Yes, this is probably more useful than just not looking at template_decl's instance of these flags. Just shows how little I've had to use the printer recently :)

---
  gcc/cp/ptree.c | 18 +++++++++---------
  1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/gcc/cp/ptree.c b/gcc/cp/ptree.c
index 95a4fdf284a..33b73fb24b6 100644
--- a/gcc/cp/ptree.c
+++ b/gcc/cp/ptree.c
@@ -59,16 +59,16 @@ cxx_print_decl (FILE *file, tree node, int indent)
bool need_indent = true; - if (TREE_CODE (node) == FUNCTION_DECL
-      || TREE_CODE (node) == VAR_DECL
-      || TREE_CODE (node) == TYPE_DECL
-      || TREE_CODE (node) == TEMPLATE_DECL
-      || TREE_CODE (node) == CONCEPT_DECL
-      || TREE_CODE (node) == NAMESPACE_DECL)
+  tree ntnode = STRIP_TEMPLATE (node);
+  if (TREE_CODE (ntnode) == FUNCTION_DECL
+      || TREE_CODE (ntnode) == VAR_DECL
+      || TREE_CODE (ntnode) == TYPE_DECL
+      || TREE_CODE (ntnode) == CONCEPT_DECL
+      || TREE_CODE (ntnode) == NAMESPACE_DECL)
      {
        unsigned m = 0;
-      if (DECL_LANG_SPECIFIC (node) && DECL_MODULE_IMPORT_P (node))
-       m = get_importing_module (node, true);
+      if (DECL_LANG_SPECIFIC (ntnode) && DECL_MODULE_IMPORT_P (ntnode))
+       m = get_importing_module (ntnode, true);
if (const char *name = m == ~0u ? "" : module_name (m, true))
        {
@@ -78,7 +78,7 @@ cxx_print_decl (FILE *file, tree node, int indent)
          need_indent = false;
        }
- if (DECL_LANG_SPECIFIC (node) && DECL_MODULE_PURVIEW_P (node))
+      if (DECL_LANG_SPECIFIC (ntnode) && DECL_MODULE_PURVIEW_P (ntnode))
        {
          if (need_indent)
            indent_to (file, indent + 3);

base-commit: a40015780f8cc49476741b6914bd5ee97bd10f1d



--
Nathan Sidwell

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