Fix obvious error in handling of error attribute (PR lto/85248).

2018-04-10  Martin Liska  <mliska@suse.cz>

	PR lto/85248
	* lto-symtab.c (lto_symtab_merge_p): Do not check for
	TREE_VALUES of error attributes.

From-SVN: r259274

diff --git a/gcc/lto/ChangeLog b/gcc/lto/ChangeLog
index 2c9c7bff09a6ea1c1179c2382b347ad6cf717414..75a1d1ca807a1e89274e6e8a13c40fee08ba7c35 100644 (file)
--- a/gcc/lto/ChangeLog
+++ b/gcc/lto/ChangeLog
@@ -1,3 +1,9 @@
+2018-04-10  Martin Liska  <mliska@suse.cz>
+
+       PR lto/85248
+       * lto-symtab.c (lto_symtab_merge_p): Do not check for
+       TREE_VALUES of error attributes.
+
 2018-04-10  Richard Biener  <rguenther@suse.de>
            Martin Liska  <mliska@suse.cz>
 

diff --git a/gcc/lto/lto-symtab.c b/gcc/lto/lto-symtab.c
index 473c0d0b5af1071f69ad8c1eaadb48bf790b0657..37c4f45eb0b9810961325c850b71e954cfcc1e9e 100644 (file)
--- a/gcc/lto/lto-symtab.c
+++ b/gcc/lto/lto-symtab.c
@@ -605,10 +605,7 @@ lto_symtab_merge_p (tree prevailing, tree decl)
 
       prev_attr = lookup_attribute ("noreturn", DECL_ATTRIBUTES (prevailing));
       attr = lookup_attribute ("noreturn", DECL_ATTRIBUTES (decl));
-      if ((prev_attr == NULL) != (attr == NULL)
-         || (prev_attr
-             && TREE_VALUE (TREE_VALUE (prev_attr))
-                != TREE_VALUE (TREE_VALUE (attr))))
+      if ((prev_attr == NULL) != (attr == NULL))
        {
           if (symtab->dump_file)
            fprintf (symtab->dump_file, "Not merging decls; "