(grokdeclarator): Don't mark file-scope register variables as TREE_PUBLIC.

From-SVN: r1379

diff --git a/gcc/c-decl.c b/gcc/c-decl.c
index 4cd33a0..ac79c3c 100644 (file)
--- a/gcc/c-decl.c
+++ b/gcc/c-decl.c
@@ -4107,11 +4107,15 @@ grokdeclarator (declarator, declspecs, decl_context, initialized)
        /* An uninitialized decl with `extern' is a reference.  */
        TREE_EXTERNAL (decl)
          = !initialized && (specbits & (1 << (int) RID_EXTERN));
-       /* At top level, either `static' or no s.c. makes a definition
-          (perhaps tentative), and absence of `static' makes it public.  */
+       /* At top level, the presence of a `static' or `register' storage
+          class specifier, or the absence of all storage class specifiers
+          makes this declaration a definition (perhaps tentative).  Also,
+          the absence of both `static' and `register' makes it public.  */
        if (current_binding_level == global_binding_level)
          {
-           TREE_PUBLIC (decl) = !(specbits & (1 << (int) RID_STATIC));
+           TREE_PUBLIC (decl)
+             = !(specbits
+                 & ((1 << (int) RID_STATIC) | (1 << (int) RID_REGISTER)));
            TREE_STATIC (decl) = ! TREE_EXTERNAL (decl);
          }
        /* Not at top level, only `static' makes a static definition.  */