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/ChangeLog b/gcc/lto/ChangeLog
index 333f2a3..b3c2138 100644 (file)
--- a/gcc/lto/ChangeLog
+++ b/gcc/lto/ChangeLog
@@ -1,5 +1,10 @@
 2020-01-29  Tobias Burnus  <tobias@codesourcery.com>
 
+       * lto.c (offload_handle_link_vars): Reduce chance of
+       naming clashes of generated linkptr variable.
+
+2020-01-29  Tobias Burnus  <tobias@codesourcery.com>
+
        PR middle-end/94233
        * lto.c (offload_handle_link_vars): Cleanup; call
        build_decl to ensure alignment is set.

diff --git a/gcc/lto/lto.c b/gcc/lto/lto.c
index 467b922..cd34d6c 100644 (file)
--- 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;