(assemble_variable): Flag_no_common applies only if

external linkage.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@5019 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/varasm.c b/gcc/varasm.c
index 57024d5..dc1a626 100644 (file)
--- a/gcc/varasm.c
+++ b/gcc/varasm.c
@@ -827,8 +827,9 @@ assemble_variable (decl, top_level, at_end, dont_output_data)
   /* ANSI specifies that a tentative definition which is not merged with
      a non-tentative definition behaves exactly like a definition with an
      initializer equal to zero.  (Section 3.7.2)
-     -fno-common gives strict ANSI behavior.  Usually you don't want it.  */
-  if (! flag_no_common
+     -fno-common gives strict ANSI behavior.  Usually you don't want it.
+     This matters only for variables with external linkage.  */
+  if ((! flag_no_common || ! TREE_PUBLIC (decl))
       && ! dont_output_data
       && (DECL_INITIAL (decl) == 0 || DECL_INITIAL (decl) == error_mark_node))
     {