re PR target/37170 (gcc.dg/weak/weak-1.c)

	PR target/37170
	PR target/38448
	* final.c (output_addr_const) <SYMBOL_REF>: Call assemble_external
	on the associated SYMBOL_REF_DECL node, if any.

From-SVN: r142640

gcc/ChangeLog

+2008-12-10  Eric Botcazou  <ebotcazou@adacore.com>
+
+	PR target/37170
+	PR target/38448
+	* final.c (output_addr_const) <SYMBOL_REF>: Call assemble_external
+	on the associated SYMBOL_REF_DECL node, if any.
+
 2008-12-09 David Daney <ddaney@caviumnetworks.com>
 
 	* config/mips/sync.md (sync_<optab>_12): Replace

gcc/final.c

@@ -3440,7 +3440,10 @@ output_addr_const (FILE *file, rtx x)
 
     case SYMBOL_REF:
       if (SYMBOL_REF_DECL (x))
-	mark_decl_referenced (SYMBOL_REF_DECL (x));
+	{
+	  mark_decl_referenced (SYMBOL_REF_DECL (x));
+	  assemble_external (SYMBOL_REF_DECL (x));
+	}
 #ifdef ASM_OUTPUT_SYMBOL_REF
       ASM_OUTPUT_SYMBOL_REF (file, x);
 #else