[Patch] lto/lto.c – used $ or . in generated linkptr name

[Tobias Burnus]

As discussed in IRC, it makes sense to use '$' or '.' as
separator instead of '_' – and, if it is not available,
use a '__' prefix besides the '_' suffix separator.

OK?

Tobias

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lto/lto.c – used $ or . in generated linkptr name

	* lto.c (offload_handle_link_vars): Reduce chance of
	naming clashes of generated linkptr variable.

diff --git a/gcc/lto/lto.c b/gcc/lto/lto.c
index 467b922eedf..cd34d6c9e7a 100644
--- a/gcc/lto/lto.c
+++ b/gcc/lto/lto.c
@@ -561,11 +561,9 @@ offload_handle_link_vars (void)
 			  DECL_ATTRIBUTES (var->decl)))
       {
 	tree type = build_pointer_type (TREE_TYPE (var->decl));
-	tree var_name = DECL_ASSEMBLER_NAME (var->decl);
-	char *new_name
-	  = ACONCAT ((IDENTIFIER_POINTER (var_name), "_linkptr", NULL));
 	tree link_ptr_var = build_decl (UNKNOWN_LOCATION, VAR_DECL,
-					get_identifier (new_name), type);
+					clone_function_name (var->decl,
+							     "linkptr"), type);
 	TREE_USED (link_ptr_var) = 1;
 	TREE_STATIC (link_ptr_var) = 1;
 	DECL_ARTIFICIAL (link_ptr_var) = 1;