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Re: Patch ping


On 03/31/2017 12:36 AM, Jakub Jelinek wrote:
Hi!

I'd like to ping two patches:

PR c++/79572
  - ubsan instrumentation of reference binding to NULL if the reference
    is folded into INTEGER_CST with REFERENCE_TYPE
    http://gcc.gnu.org/ml/gcc-patches/2017-03/msg01255.html

PR debug/79255
  - dwarf2out profiledbootstrap ICE while building gnat;
    either the posted patch
    http://gcc.gnu.org/ml/gcc-patches/2017-03/msg01257.html
    or in gen_decl_die:
   case FUNCTION_DECL:
+    /* decl is NULL only if when processing a function declaration in
+       BLOCK_NONLOCALIZED_VARS.  It is a normal declaration, not an
+       abstract copy of something, so make sure we don't handle it
+       like function inlined into something.  */
+    if (decl == NULL_TREE)
+      {
+	decl = origin;
+	origin = NULL_TREE;
+      }
    or something else (another possibility is to replace all decl
    uses in case FUNCTION_DECL with decl_or_origin and
-	  if (!origin)
-	    origin = decl_class_context (decl);
+	  if (!decl || !origin)
+	    origin = decl_class_context (decl_or_origin);
I think I prefer your original approach -- pass in the original FUNCTION_DECL. It seems to me like the other approaches are just papering over the issue.

Original approach is OK for the trunk.

jeff


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